Question

Please sort and match the following items.

A 2-kg toy car accelerates from 0 to 5 m/s^2. It travels 2 m.
A 2-kg toy car originally moving at 5 m/s is brought to rest. It travels 1m.
A 2 kg toy car is held at a height of 3.75 m above the floor.
A 2-kg toy car accelerates from 5 to 10 m/s^2. It travels 7 m.
A 2-kg toy car accelerates from 10 to 5 m/s^2. It travels 10 m.

No work is done on or by the object.
10 joules of work is done on the object.
20 joules of work is done by the object.
70 joules of work is done on the car.
100 joules of work is done by the car.

Answer 1

...accelerates from 0 to 5 m/s^2.....
HUH ??? maybe 5 m/s ?? Whatever . Please get it right.

Answer 2

That's how it was on the question. Idk.

Answer 3

Somebody need to find out.