Preskoči na glavni sadržaj

Sign up for FREE

Acceleration Practice

Posljednje ažuriranje almost 2 years ago

3 questions

Use the formula for acceleration to solve the following problems.

Remember that Δv = v_f - v_o. Change in velocity is the final velocity minus the initial velocity.

1

Pitanje 1

1.

A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?

1

1

Pitanje 2

2.

A motorcycle has a constant acceleration of 2.5 m/s². Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its speed from 21 to 31 m/s?

Pitanje 3

3.

A runner accelerates to a velocity of 5.36 m/s due west in 3.00 s. His average acceleration is 0.640 m/s², also directed due west. What was his velocity when he began accelerating?