Question

A student lifts their 5 kg backpack 2 meters off the floor. How much work does the student do on the backpack?

5/2= 2.5 J
5 x 2 = 10 W
5/2 = 2.5 W
5 x 2 = 10 J

Answer 1

the answer is 10 w because it multiples 5x2 and the answer is 10 w because (w stands for work)