Question

1. Which of these is an example of acceleration?

a. A car coasting along at 100 km/hr
b. A car parked in a parking lot
c. A car slamming on its brakes
d. A car speeding at 120 km/hr

Answer 1

d

Explanation:

because

a - if you're coasting, you're not gaining any speed.

b - it's parked, therefore it isnt moving.

c - if you slam on your brakes, you're stopped.

Answer 2

d

Explanation:

because speed means acceleration and the speed of something