Kinematic Equations

A horse accelerates from rest with a = 2 m/s2. Calculate its final velocity with a time interval t = 5 s.

• vf = 5 m/s

• vf = 10 m/s2

• vf = 10 m/s

• vf = 2.5 m/s

A bicyclist moves down 4.5 m with an initial speed of 2 m/s. Calculate its final speed after 3 s.

• 1 m/s

• 3.2 m/s

• 5 m/s

• 6.5 m/s

What is the final position of a ball with a = 2.4 m/s2, vi = 3 m/s, and t = 1 s?

• 1.5 m

• 2.4 m

• 3.5 m

• 4.2 m

Calculate the average velocity of a car that was moving initially at 70 km/h before stopping at the red light.

• o km/h

• 35 km/h

• 70 km/h

• 140 km/h

If you have delta x, a, and t, which equation will you apply to find initial velocity?

• 1

• 2

• 3

• 4

What is the time needed by a deer to cross 120 m with an initial speed of 90 m/s and final speed of 110 m/s?

• 0.83 s

• 1.2 s

• 1.8 s

• 2.6 s

If you started moving from rest with a constant acceleration of 5.2 m/s2 and final speed of 10 m/s, what is the distance you covered?

• 5.32 s

• 7.88 s

• 9.61 s

• 11.42 s

Calculate vf if vi = 4 m/s, a = 5 m/s2, and delta x = 2m.

• 6 m/s

• 15 m/s

• 36 m/s

• 40 m/s