a 25 N block is pushed up a plane inclined 30° with the horizontal by a force F of 46 N applied parallel to the plane. The block moves 3.0 m up the plane. the coefficient of friction is 0.2 find the work done by: a. gravity b. force c. friction force d. normal force
An object travels around a circle 10.0 full turns in 2.5 seconds. Calculate the angular displacement , theta in radians
How fast must a 58 kg mountaineer climb a hill that has a slope of 16° to come up with a power output of 1.0 hp?
Jane is walking at such speed o that her kinetic energy is 20 J. What is her speed? It started to rain. Jane runs at a rate of 4.2 m/s. Find the change in her kinetic energy. Jane has a mass of 50 kg.
Jane is walking at such speed so that her kinetic energy is 20 J. What is her speed? It started to rain. Jane runs at a rate of 4.2 m/s. Find the change in her kinetic energy. Jane had a mass of 50 kg.
A disk with a radius of 0.1 m is spinning about its center with a constant angular speed of 10 rad/sec.
What are the speed and magnitude of the acceleration of a bug clinging to the rim of the disk?
List 10 aspect that are duely considered in building sciences
A brass rod is 2m long at a certain temperature . what is it's lenght for a temperature rise of 100k if the expression vity of brass is 1.8*10^_6 k^7
Solve the gold density
A motorist, traveling at the 120km/hr sees a broken down truck at the middle of the road and immediately applies his brake and comes to stop with uniform retardation in 20 secs. What distance does the car travel after the brakes were applied?