17 Questions
What is the equation that relates distance traveled (s), initial velocity (u), acceleration (a), and time (t) for an object moving with uniform acceleration?
s = ut + ½ at^2
If an object moves in a circular path with uniform speed, what type of motion is being exhibited?
Uniform circular motion
What is the final velocity of a motorboat that starts from rest and accelerates at a constant rate of 3.0 m/s^2 for 8.0 seconds?
24 m/s
When driving to school, Abdul's average speed is 20 km/h. On his return trip, with less traffic, his average speed becomes 30 km/h. What is Abdul's average speed for the entire trip?
25 km/h
What is the displacement of an object that completes one round of a circular track of diameter 200 m?
300 m
When is a body said to be in uniform acceleration?
When it is accelerating at a constant rate
In the context of motion, what does negative acceleration signify?
Deceleration
What is the acceleration of a bus that decreases its speed from 80 km/h to 60 km/h in 5 seconds?
-8 km/h^2
How would you describe a body experiencing nonuniform acceleration?
Accelerating with varying rates
A train attains a speed of 40 km/h in 10 minutes with uniform acceleration. What is its acceleration?
-0.1 km/h^2
In the context of motion, what does a positive value for acceleration indicate?
Increase in velocity
What will be the speed acquired by a bus that starts from rest and moves with a uniform acceleration of 0.1 m/s^2 for 2 minutes?
1.2 m/s
In the scenario where a train is traveling at 90 km/h, and brakes produce a uniform acceleration of -0.5 m/s^2, how far will the train go before it is brought to rest?
550 m
If a trolley going down an inclined plane has an acceleration of 2 cm/s^2, what will be its velocity 3 seconds after the start?
10 cm/s
With a uniform acceleration of 4 m/s^2, how much distance will a racing car cover in 10 seconds after start?
250 m
If a stone is thrown vertically upward with a velocity of 5 m/s and undergoes an acceleration of 10 m/s^2 downward, what height will the stone reach and how much time will it take?
20 m, 2 s
Based on the provided information in the text, why are drivers cautioned to maintain some distance between vehicles while traveling on the road?
To prevent accidents due to sudden braking
Test your understanding of the motion of an object moving with uniform acceleration and in uniform circular motion. Solve exercises related to equations for uniform acceleration and circular motion.
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