Question

A car is being driven at a speed of 20ms^-1 when brakes are applied to bring it to rest in 5 s. The deceleration produced in this case will be ______.

Options

• +4ms^-2

• -4ms^-2

• -0.25ms^-2

• +0.25ms^-2

Answer 1

A car is being driven at a speed of 20ms^-1 when brakes are applied to bring it to rest in 5 s. The deceleration produced in this case will be -4ms^-2.