The acceleration of a particle moving along the x axis may be determined from the expression a = btu + ctv. What will be the dimensions of b and c in this case if u = 14 and v = 20? (Use the following as necessary: L for length and T for time.)

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