Author Question: Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What ... (Read 312 times)

Destiiny22 · **on:** Jul 28, 2018

Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What potential energy change does the crate experience?
a. 1200 J
c. 600 J
b. 210 J
d. 300 J

Question 2

A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 28 J of work on its environment. What is its change in internal energy?
a. 28 J
c. zero
b. -28 J
d. -7 J