Answer:
73N
Explanation:Just multiply 1.2^2 by 50
Solar cells are used to trap sunlight energy (light energy) and convert it to electric energy for domestic and other purposes.
True............................................
Answer:
is the rock's speed.
Explanation:
Momentum is defined as motion possessed by the moving body's mass. Mathematically it a product of mas and velocity of the body.
Given : Mass of rock = m = 1.45 kg
Velocity of the rock = v
Momentum of the rock = P =
is the rock's speed.