Partial. a penumbral lunar eclipse is when the moon passes through the earths penumbra
Answer:
9.75 x 10^4 J
Explanation:
Work done, W = 9.75 x 10^4 J
According to the work energy theorem, the change in kinetic energy is equal to the work done by all the forces.
So, here work done is 9.75 x 10^4 J so the change in kinetic energy is 9.75 x 10^4 J.
Answer:
15.76N
Explanation:
horizontal component =Fcos¢ = 20cos38 = 15.76N
A -..................................is the correct option
