Which of the following statements about nuclear energy is true?
a. nuclear energy cannot be contained nor controlled.
b. nuclear energy is contained in nuclear bonds.
c. nuclear energy is less efficient than other energy forms.
d. all of the above are true

The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Which governments provide garbage collection services to homes and businesses