A mover's dolly is used to pull a 115 kg refrigerator up a ramp into a house. The ramp is 2.10 m long and rises 0.850 m. If
1042 J of work is done, what is the exerted force?

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.

gravitational energy

electrical energy

kinetic energy

ligh energy