Effective coeff of kinetic friction

Assignment Help Physics

Reference no: EM13669816

A 290kg metal box is on an incline of 29 degrees and slides down4.3 m. It is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coeff of kinetic friction is 0.40.

1) Net work on the metal box (J)

2) Work done by friction force (J)

3) Compute the force exerted by the man (in N)

4) What is the work done by the force of gravity? (J)

5) Work done with the man on the metal box (in J)

Reference no: EM13669816

Questions Cloud

Suppose that the telephone wires are of uniform diameter : An underground telephone cable, consisting of a pair of wires, has suffered a short somewhere along its length (at point P in the Figure). The telephone cable is 6.00 km long, and in order to decide where the short is, a technician first measures the..

Find what must be its speed if the pitchers claim is valid : A pitcher claims he can throw a baseball with as much momentum as a 4.00 gram bullet moving with a speed of 1200 m/s. Find what must be its speed if the pitcher's claim is valid

Calculate speed of block at instant the dielectric leaves : Consider a horizontal square plate capacitor of area 1*1 m2, capacitance in vacuum 3.5 μF, which contains a dielectric material with dielectric constant K=5. The dielectric slides frictionless and is attached via a mass less string and a mass less pu..

Determine its maximum speed and acceleration : Atoms in a solid are not stationary, but vibrate about their equilibrium positions. determine its maximum speed and acceleration

Effective coeff of kinetic friction : A 290kg metal box is on an incline of 29 degrees and slides down4.3 m. It is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coeff of kinetic friction is 0.40.

Reinforce ongoing monitoring activities : Develop the following tools to reinforce ongoing monitoring activities

Compute the young modulus of the wire : A 5.0 x 102 Newton weight is hung from the end of a wire of cross-sectional area 0.010 cm2. Compute the Young's modulus of the wire

English language lesson plan : Looking for an english language lesson plan for complete beginner adults. There are two of them and they are staff from a restaurant and their lesson needs to be related to their work mostly.

Discover the binding energy per nucleon of its nucleus : The artificial element seaborgium, atomic number Z = 106, has a highly unstable isotope 263Sg106, which has atomic mass (mass of the neutral atom, including the electrons) 263.1186 u. Discover the binding energy per nucleon (BE/A) of its nucleus.

User Account

All Pages