Kinematics Equations 2 and 3

A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s², what is its final velocity after 2 s? Identify the starting velocity.

• 2m/s

• 0.5 m/s

• 1 m/s

• 1.5 m/s

A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s², what is its final velocity after 2 s? Identify the acceleration.

• 0.5 m/s²

• 2 m/s

• -0.5 m/s²

• -2 m/s

A car is traveling to the right with a speed of 29​​m/s when the rider slams on the accelerator to pass another car. The car passes in 110 m with constant acceleration and reaches a speed of 34m/s. We want to find the acceleration of the car as it sped up. What equation should you choose?

• vf=vi+at

• x=vit+1/2at²

• vf²=vi²+2aX

• x=((vf+vi)/2)t

How long would it take a car, starting from rest and accelerating uniformly in a straight line at 5 m/s², to cover a distance of 200m. What variable are you solving for?

• displacment

• acceleration

• starting velocity

• time

How long would it take a car, starting from rest and accelerating uniformly in a straight line at 5 m/s², to cover a distance of 200m. What is the acceleration? Identify the displacement.

• 5m

• 200m

• 0m

• 9m

A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m? Identify the displacement.

• 1.3 m

• 9.5m

• 5.5m

• 12m

An airplane accelerates down a runway from rest at 3.20 m/s² for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.

Which equation is appropriate?

• vf=vi+a*t

• x=vi*t+1/2at²

• vf²=vi²+2aX

• x=((vf+vi)/2)t

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate? Identify the final velocity.

• 50 m/s

• 0 m/s

• 15 m/s

• 20 m/s

Which of the following equations would you choose to calculate final velocity of an object traveling at a constant acceleration AND the known variables for time and initial velocity?

• V= x/t

• D_total = D₁ + D₂

• V_f = V_i + at

• S = D/t

If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed if his acceleration is -9.8 m/s² and his velocity at the top of his leap i 0 m/s? Choose the correct equation.

• v_f=v_i+at

• d=v_it+1/2at²

• v_f²=v_i²+2ad

• d=1/2(v_f+v_i)t