The slope of a velocity-time graph represents:

• Distance

• Acceleration

• Displacement

• Speed

An object starts from rest and accelerates at 2 m/s² for 5 seconds. What is its final velocity?

• 5 m/s

• 10 m/s

• 15 m/s

• 20 m/s

What is the area under a velocity-time graph?

• Speed

• Acceleration

• Time

• Displacement

A car decelerates uniformly from 30 m/s to rest in 10 seconds. What is its deceleration?

• -1 m/s²

• -2 m/s²

• -3 m/s²

• -4 m/s²

Which of the following statements is true about free fall?

• The object moves with constant velocity.

• The object accelerates at 9.8 m/s² downward.

• Air resistance increases the object's acceleration.

• The acceleration depends on the mass of the object.