sammeh

need help with this question please a 1kg block starts at rest and slides down the incline. the coefficient of friction between the incline and the block is 0.1. The height of the incline is 2m, and the angle is 30 degrees. use energy consideration to fin...

a person pushes a 10kg mass at a constant speed across a u=0.150, 8.50m long floor at a constant speed how much work does the person do? (125J) how much work does friction do? ( -125J)

A mass m is thrown horizontally at 5.00 m/s off a 20.0m high cliff. find its speed at impact a)using projectile analysis (20.4m/s) b) using energy analysis

A 1200 kg car moving at 35kph runs into and sticks to a parked 1000kg car. the collision takes 0.15s and after the crash the car's wheels lock and they skid to a stop on the mu= 0.40 road. the final speed of both cars is 5.3m/s a) find the distance tranve...

find the force and force direction of a 1.0x10^-6 C charge that is 2cm North and 3cm East of a 2x10^-6 C charge

find the electric field and direction 0.100 micrometer west of an electron (144000 N/C East) im not sure if im converting it right.. 0.100 micrometer= 1x10^-6 m

how do you find the distance? is it 2/sin30?

I cannot get 5.6m/s this is what i did. finalKE = initial PE - Ff*d (1/2)mv^2 = 9.8 - (.8487 x 4) v= 3.5