science
Grade8
Easy
Question
Peter owns a remote-control toy car, whose momentum he wants to find out. The speed of the toy car can be controlled using a button. What are the measurements that he needs to make?
a) Weigh the toy car to find its mass
b) Weigh the remote of the toy car to find its mass
c) The distance the car moves using a measuring tape
d) The time taken by the car to move that distance using a stop-watch
- All are correct except b
- Only a, b, and c are correct
- Only c, b, and d are correct
- Only a and d are correct
Hint:
All are correct except b
The correct answer is: All are correct except b
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