Domain is:
x is an element of a real number, but isn't equal to -4, 7 or -7.
It would take 1minute and 10 seconds to complete the job because you have to subtract 2hours (2:00) by 90seconds (0:90)
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:
C
Step-by-step explanation: