A builder raises eight slabs from the ground onto the back of a lorry that is 1.5 m above the ground. The complete time for this is 48 s, and the weight of each slab is 200 N. What useful power does the builder generate?
- A50 W
- B400 W
- C2400 W
- D3200 W
Physics 5054 · O Level · Power
A builder raises eight slabs from the ground onto the back of a lorry that is 1.5 m above the ground. The complete time for this is 48 s, and the weight of each slab is 200 N. What useful power does the builder generate?