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Questions and Answers
What is the distance between object A and object B at time t = 3.00 s?
What is the distance between object A and object B at time t = 3.00 s?
What is the longest time you can stop for dinner if you must travel 541 mi in 9.6 h total, driving at a maximum of 65 mi/h?
What is the longest time you can stop for dinner if you must travel 541 mi in 9.6 h total, driving at a maximum of 65 mi/h?
How far from the castle wall does the fired cannonball hit the ground if fired at a speed of 45 m/s horizontally?
How far from the castle wall does the fired cannonball hit the ground if fired at a speed of 45 m/s horizontally?
Approximately how fast must you toss a ball straight up to take 2 s to return to the same level?
Approximately how fast must you toss a ball straight up to take 2 s to return to the same level?
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Which choice lists the speed of the projectile at each point from greatest to least?
Which choice lists the speed of the projectile at each point from greatest to least?
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Which choice lists the acceleration of the projectile at each point from greatest to least?
Which choice lists the acceleration of the projectile at each point from greatest to least?
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What can be said about the magnitude of a vector compared to its components?
What can be said about the magnitude of a vector compared to its components?
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What is a complete set of possible answers for the maximum distance a fired cannonball can travel horizontally?
What is a complete set of possible answers for the maximum distance a fired cannonball can travel horizontally?
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How high is the tallest cliff discovered on Uranus’s moon Miranda?
How high is the tallest cliff discovered on Uranus’s moon Miranda?
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What is the speed of the rock when it hits the bottom after being dropped from the cliff?
What is the speed of the rock when it hits the bottom after being dropped from the cliff?
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At time T, which statement is true about the car and the truck traveling along the straight road?
At time T, which statement is true about the car and the truck traveling along the straight road?
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How far above the ground does Batman's grappling hook catch the keys?
How far above the ground does Batman's grappling hook catch the keys?
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Which stone has the largest change in its velocity over a one second interval after being released?
Which stone has the largest change in its velocity over a one second interval after being released?
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If a rock falls from a height of 30 m, what is the time taken to reach the ground assuming no air resistance?
If a rock falls from a height of 30 m, what is the time taken to reach the ground assuming no air resistance?
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Which of the following statements applies to the objects dropped from a height?
Which of the following statements applies to the objects dropped from a height?
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What is the total distance traveled by the keys and the grappling hook when both are falling?
What is the total distance traveled by the keys and the grappling hook when both are falling?
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What motion behavior can be described for the object that starts with a constant velocity, stops, and then moves towards the west?
What motion behavior can be described for the object that starts with a constant velocity, stops, and then moves towards the west?
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Which of the following quantities are different for a light ball dropped and a heavy ball thrown straight down from the same height?
Which of the following quantities are different for a light ball dropped and a heavy ball thrown straight down from the same height?
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When Jan and Len throw identical rocks off a tall building under negligible air resistance, which statement holds true about the rocks?
When Jan and Len throw identical rocks off a tall building under negligible air resistance, which statement holds true about the rocks?
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What does the stroboscopic photograph indicate about the object's velocity as it moves along a horizontal surface?
What does the stroboscopic photograph indicate about the object's velocity as it moves along a horizontal surface?
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What is the correct maximum height reached by a football kicked at an angle of 55° at a velocity of 15 m/s?
What is the correct maximum height reached by a football kicked at an angle of 55° at a velocity of 15 m/s?
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What angle below the horizontal does a hockey puck reach just before hitting the ground after sliding off a table from an initial velocity of 28.0 m/s?
What angle below the horizontal does a hockey puck reach just before hitting the ground after sliding off a table from an initial velocity of 28.0 m/s?
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Which of the following statements regarding projectile motion is false when a football is kicked at an angle?
Which of the following statements regarding projectile motion is false when a football is kicked at an angle?
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How does the time of flight of the two balls, when dropped and thrown downwards, compare?
How does the time of flight of the two balls, when dropped and thrown downwards, compare?
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How high should security look for the hotel guests if balloons pass a window that is 1.6 m tall for 0.15 seconds?
How high should security look for the hotel guests if balloons pass a window that is 1.6 m tall for 0.15 seconds?
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What adjustment should the player make to successfully shoot a basketball on Mars with a gravity of 3.8 m/s²?
What adjustment should the player make to successfully shoot a basketball on Mars with a gravity of 3.8 m/s²?
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How far off will the shell land from the buoy when launched with a tailwind at 100 m/s from a height of 50 m?
How far off will the shell land from the buoy when launched with a tailwind at 100 m/s from a height of 50 m?
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At what angle should the landing ramp slope down if it's 15 m lower than the jump and the jump is at a 45° angle?
At what angle should the landing ramp slope down if it's 15 m lower than the jump and the jump is at a 45° angle?
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What horizontal distance will Watney have to walk to retrieve the potato thrown at a 30° angle with an initial velocity of 5.0 m/s?
What horizontal distance will Watney have to walk to retrieve the potato thrown at a 30° angle with an initial velocity of 5.0 m/s?
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What can a player do to keep the trajectory of a basketball shot when moving from Earth to Mars?
What can a player do to keep the trajectory of a basketball shot when moving from Earth to Mars?
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If a shell is launched at 100 m/s with a tailwind and misses the target, which factor contributes to its landing distance?
If a shell is launched at 100 m/s with a tailwind and misses the target, which factor contributes to its landing distance?
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If the angle of the jump is critical for a motocross bike landing, what should be verified?
If the angle of the jump is critical for a motocross bike landing, what should be verified?
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What is the ratio of the radius of motion of particle A to that of particle B if particle A's acceleration is 8.5 times that of particle B and the period of particle B is 2.0 times the period of particle A?
What is the ratio of the radius of motion of particle A to that of particle B if particle A's acceleration is 8.5 times that of particle B and the period of particle B is 2.0 times the period of particle A?
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What is the new period of the Earth's rotation if the centripetal acceleration at the equator equals g (9.80 m/s²)?
What is the new period of the Earth's rotation if the centripetal acceleration at the equator equals g (9.80 m/s²)?
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While a car travels around a circular track at a constant speed, what is true about its acceleration?
While a car travels around a circular track at a constant speed, what is true about its acceleration?
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From the passenger's viewpoint on the eastbound train, how can she determine the train's speed based on the cannon ball's behavior?
From the passenger's viewpoint on the eastbound train, how can she determine the train's speed based on the cannon ball's behavior?
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If a train is moving at a constant speed of 20.0 m/s and turns right, what remains constant during this maneuver?
If a train is moving at a constant speed of 20.0 m/s and turns right, what remains constant during this maneuver?
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What is the effect on the weight of people at the equator if the Earth's rotation speed is increased to create centripetal acceleration equal to g?
What is the effect on the weight of people at the equator if the Earth's rotation speed is increased to create centripetal acceleration equal to g?
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During the cannon's firing, why does the cannonball appear to move only vertically from the passenger's perspective?
During the cannon's firing, why does the cannonball appear to move only vertically from the passenger's perspective?
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What is true about the velocity of a car traveling in a circular track at a constant speed?
What is true about the velocity of a car traveling in a circular track at a constant speed?
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Study Notes
Exam Overview
- Covers content from Chapters 1–4.5 of the course text.
- Practice problems provided for exam preparation.
- Additional problems included beyond what will appear on the actual exam.
- An answer key is available at the end of the practice problems.
Motion of Objects
- Object A's position: (s_A(t) = (3.00 , \text{m/s}) t \hat{i} + (1.00 , \text{m/s}^2) t^2 \hat{j}).
- Object B's position: (s_B(t) = (4.00 , \text{m/s}) t \hat{i} + (-1.00 , \text{m/s}^2) t^2 \hat{j}).
- Distance between A and B calculated at (t = 3.00 , \text{s}).
Driving and Distance Calculations
- Maximum safe driving speed: 65 mi/h.
- Total trip distance: 541 mi in 9.6 h; calculate maximum dinner stop time.
Projectile Motion
- A cannonball fired at 45 m/s and 0° above horizontal; another dropped from the same height hits the ground in 1.2 s.
- Calculation for the horizontal distance traveled by the fired cannonball.
Vertical Motion and Simulation
- Vertical toss duration: 2 s; find required initial toss speed for a ball.
- Speed comparisons for projectiles at different points in their trajectories.
Vector and Motion Questions
- Understanding vector magnitudes against their components.
- An object transitioning from east to west, stopping and changing speed; analyze motion graph representation.
Free Fall and Impact Factors
- Comparison of time of flight for different sized balls (light vs. heavy) dropped from the same height.
- Two rocks thrown downward with varying angles and speeds to compare landing times.
Graphical Representation of Motion
- Stroboscopic photography used to depict object movement; identify appropriate velocity-time graphs.
Projectile Heights and Angles
- Maximum height calculation for a football kicked at a certain angle.
- Determine angles of hockey puck velocity just before it hits the ground.
Gravitational Effects on Bodies
- Examine free fall in different gravitational environments (Uranus's moon).
- Determine cliff height and impact speed of dropped rocks in specified gravitational fields.
Vehicle Motion Analysis
- Velocity-time graphs for comparing the distances traveled by different vehicles.
Catching Objects in Motion
- Assess the scenario of intercepting dropped objects (keys vs. grappling hook) after a delay.
Stone Thrown from a Height
- Analyzing changes in velocity for stones thrown off a cliff at different angles.
Water Balloon Drop Analysis
- Timing down the length of the window to determine the dropping height; identify potential locations of dropping objects.
Adjustments for Different Gravity Conditions
- Calculate necessary adjustments for basketball shooting on Mars compared to Earth.
Horizontal Shell Launch
- Determine the distance a shell lands from its intended target given altered acceleration due to wind conditions.
Ramp Angle Calculation
- Calculate the required slope of a landing ramp for a motocross bike that jumps and lands at the same angle.
Projectile Trajectory on Different Gravity
- Assess the distance traveled by a potato thrown at an angle with specific conditions on Mars.
Circular Motion Characteristics
- Understanding acceleration and velocity during uniform circular motion.
Period of Earth's Rotation
- Discussion on changing Earth's rotation speed and the resultant period to create weightlessness at the equator.
Train and Cannonball Perspective
- Analyze how the speed of a train affects the apparent motion of a cannonball from a passenger’s perspective.
Constant Speed Turning
- Understand motion dynamics when driving at a constant speed while turning.
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Description
Prepare for your Physics 2305 Exam 1 with these practice problems covering Chapters 1 to 4.5. This set is designed to enhance your understanding and readiness, offering additional questions beyond your standard curriculum. Note that these problems are meant for practice and may not reflect the actual exam questions.