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A 10 kg block is allowed to slide down a ramp with uk = 0.15. a. What is the value of the frictional force opposing the block's slide down the ramp? b. What is the acceleration of the block?

Suppose a hanging 1.0 kg lab mass is attached to a 4.0 kg block on the table. a. If the coefficient of kinetic friction, uk is 0.20, what is the acceleration of the block? b. What would be the minimum value of the coefficient of static friction, Us, in or...

A 100 N force is applied to a 50.0 kg crate resting on a level florr. The coeeficient of kinetic friction is 0.15. a. What is the acceleration of the crate?

You are the comissioner of a state lottery sytem that sponsers weekly drawings. Lottery ticjets have not been selling well over the past few months. Describe four ways you could take advantage of people's use of availability hueristic in order to boost sa...

a.Fk=(u)Fn Fk=(0.15)9.40=1.41 N 10cos(20)=9.40=Fn b.Fnet=(mass)a 1.41 N=(10 kg) a a=.141 m/s^2

Fk=(0.15)50kg Fk=7.5 N 100N-7.5N=92.5N/50kg=1.85M/s^2 thanks