Uniform Acceleration and Uniform Circular Motion Quiz

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 Signup and view all the answers

What is the displacement of an object that completes one round of a circular track of diameter 200 m?

300 m Signup and view all the answers

When is a body said to be in uniform acceleration?

When it is accelerating at a constant rate Signup and view all the answers

In the context of motion, what does negative acceleration signify?

Deceleration Signup and view all the answers

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 Signup and view all the answers

How would you describe a body experiencing nonuniform acceleration?

Accelerating with varying rates Signup and view all the answers

A train attains a speed of 40 km/h in 10 minutes with uniform acceleration. What is its acceleration?

-0.1 km/h^2 Signup and view all the answers

In the context of motion, what does a positive value for acceleration indicate?

Increase in velocity Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

With a uniform acceleration of 4 m/s^2, how much distance will a racing car cover in 10 seconds after start?

250 m Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers