PHYS1006 Test #1 Review PDF

PHYS1006 – Test #1 Review Concepts: History of physics with key advances Scientific Method Proportional Relationships Scalar vs. Vector Quantities Vector Addition 1-D and 2-D Relative Velocities Aristotle vs. Galileo – Falling objects Kinematic Variables...

PHYS1006 – Test #1 Review Concepts: History of physics with key advances Scientific Method Proportional Relationships Scalar vs. Vector Quantities Vector Addition 1-D and 2-D Relative Velocities Aristotle vs. Galileo – Falling objects Kinematic Variables Average vs. Constant vs. Instantaneous velocities d/t and v/t graphs Calculations: 1. An object is dropped from the top of a ladder. The object hits the ground in 0.75 s. How tall is the ladder? {h = 2.76 m} 2. An object is dropped from the top of the CN tower. The object hits the ground in 10.6 s. How tall is the CN tower? {h = 551 m} 3. Determine the velocity of the objects when they hit the ground in: a. Question #1 {v = 7.4 m/s} b. Question #2 {v = 104 m/s} 4. An object moves along the following path: 15 km [N], 36 km [E]. Determine the distance and displacement of the object. {distance = 51 km, displacement = 39 km [NE]} 5. If the trip in question #4 lasts 3.75 h, calculate the speed and velocity of the object. [speed = 13.6 km/h, velocity = 10.4 km/h [NE]} 6. An object moves along the following path: 10 m [W], 6 m [N], 6 m [E], 3 m [S]. Determine the distance and displacement of the object. {distance = 25 m, displacement = 5 m [NW]} 7. If the trip in question #6 lasts 2.5 s, calculate the speed and velocity of the object. {speed = 10 m/s, velocity = 2 m/s [NW]} 8. An object is moving with a velocity of 4.25 m/s [S]. If the object increases its velocity to 14.5 m/s [S] over a period of 2.1 s, determine the acceleration of the object. {a = 4.9 m/s2 [S]} 9. An object is moving with a velocity of 21.6 m/s [E]. If the object comes to a complete stop over a period of 8.3 s, determine the acceleration of the object. {a = 2.6 m/s2 [W]} 10. An object is moving in a circular path with a constant velocity of 6.25 m/s. If the radius of the path of the object is 2.8 m, determine the acceleration of the object. {ac = 14 m/s2} 11. An object is moving in a circular path with a constant velocity of 2.5 m/s. If the radius of the path of the object is 1.1 m, determine the acceleration of the object. {ac = 5.7 m/s2}