Answer:
The energy in object is 3.8 Kilo Joules.
Step-by-step explanation:
We are given the following in the question:
Mass = 20 kg
Height,h = 20 m
g=9.5 m/s^2
Formula:
Potential energy =

Putting value we get,

Thus, the energy in object is 3.8 Kilo Joules.
Answer:
x^4+2x^3y-3x
Step-by-step explanation:
Answer:
x=13
Step-by-step explanation:
15x-15
15*13=195
195-15=180
Answer:
7/24
Step-by-step explanation:
you times the numerators together and times the denominators together then you simplify