Abasic physical need for all humans is self-actualization

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

Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy

The diver on the diving board weighs 500 newtons the diving board is 5 meters above the ground what is the divers gravitational