Day2: Kinematic Equations Challenge

A ball is thrown vertically upward with an initial velocity of 20 m/s. How high will it go before it starts to fall back down?

• 30.2 meters

• 25.0 meters

• 15.5 meters

• 20.39 meters

An object accelerates uniformly from rest to a speed of 30 m/s in 5 seconds. What is the object's acceleration?

• 15 m/s²

• 3 m/s²

• 12 m/s²

• 6 m/s²

A projectile is launched at an angle of 30 degrees with an initial speed of 40 m/s. What is the maximum height it reaches?

• 20.39 m

• 25.00 m

• 30.50 m

• 15.75 m

A car traveling at 25 m/s comes to a stop in 10 seconds. What is the car's uniform acceleration?

• -10 m/s²

• 0 m/s²

• -2.5 m/s²

• 5 m/s²

A stone is dropped from a height of 45 meters. How long does it take to hit the ground?

• 5.10 seconds

• 2.50 seconds

• 4.00 seconds

• 3.03 seconds