Answer:
12.5%
Step-by-step explanation:
4 * 100 / 32 = 12.5
Answer:

Step-by-step explanation:
Using the slope formula:

Answer:
166.6 joules
Step-by-step explanation:
The formular for potential energy is Mgh
Mass is 8.5 kg
g = acceleration due to gravity (9.8)
height is 2 meters
= 8.5 × 9.8 × 2
= 166.6 joules
Hence the potential energy is 166.6 joules
Answer: -38
Step-by-step explanation:
First he would have to walk back 19 steps to get back to his orginal position, then he would have to further go back another 19 steps.