The effective coefficient of kinetic friction is 040 a

Assignment Help Physics
Reference no: EM13620152

A 384 kg piano slides 3.6 m down a(n) 27° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see figure). The effective coefficient of kinetic friction is 0.40. (a) Calculate the force exerted by the man. (b) Calculate the work done by the man on the piano. (c) Calculate the work done by the friction force. (d) Calculate the work done by the force of gravity.

Reference no: EM13620152

Questions Cloud

To test at the 5 level of significance whether the true : to test at the 5 level of significance whether the true proportion of diabetics in the state of florida between the
Find the permeability of the membrane for transport from : an artificial membrane of thickness 0.1 mm separates two well-mixed fluids containing sucrose. the concentration of
However if she gives a medium or easy test there is a 05 : a professor gives tests that are either hard medium or easy. if she gives a hard test her next test will be either
Illustrate with a diagram and develop brewsters law from : illustrate with a diagram and develop brewsters law from snells law. use air as one medium at what angle of incidence
The effective coefficient of kinetic friction is 040 a : a 384 kg piano slides 3.6 m down an 27deg incline and is kept from accelerating by a man who is pushing back on it
Use a normal curve to estimate the probability that the : city records indicate that the average age of the houses on the west side of town is 43 years with standard deviation
An electric field of 164 kvm and a magnetic field of 0495 t : an electric field of 1.64 kvm and a magnetic field of 0.495 t act on a moving electron to produce no net force. if the
To estimate the average age of a breast cancer patient a : to estimate the average age of a breast cancer patient a random sample of 17 patients were selected from a large
The acceleration of gravity is g 320 fts2 determine the : an object whose mass is 50 lb attached to a rope wound around a pulley. the radius of the pulley is 3 in. if the mass

Reviews

Write a Review

Physics Questions & Answers

  An electric field of intensity 310 knc is applied along the

an electric field of intensity 3.10 knc is applied along the x-axis. calculate the electric flux through a rectangular

  The totalequivalent capacitance between the terminals

A 5.0 µF capacitoris connected in series with a 10.0 µF capacitor. This combination isthen connected in parallel with a 6.67 µF capacitor. The three capacitornetwork is then connected in series with a 10.0 µF capacitorand a 5.0 µFcapacitor. The en..

  What is radial distance with a projectile reaches

A pendulum of length 50cm is pulled 30 cm away from vertical axis and free from rest. What would be its speed at the bottom of its swing.

  Obtain the diameter of the ball

A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water while a large ball requires alot of force. calculate the diameter of the ball

  Find how tall is the building

A rock is shot up vertically upward from the edge of the top of the building. The rock reaches its maximum height 2 s after being shot. find how tall is the building

  Calculate the torque on the center of mass of the rod

A uniform rod of length 0.880 m and mass 11.5 kg is balanced on a sharp edge at 0.580 m from the left end. Calculate the torque on the center of mass of the rod alone with respect to the pivot point

  What is the final temperature at thermal equilibrium

A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?

  Q1 a man lifts a 224 kg bucket from a well and does 67 kj

q1. a man lifts a 22.4 kg bucket from a well and does 6.7 kj of work. the acceleration of gravity is 9.8 ms2.how deep

  What is the ratio of the current in bulb a

Two lightbulbs operate on the same potential difference. Bulb A has four times the power output of bulb B. What is the ratio of the current in bulb A to the current in bulb B?

  Maximum output voltage of this generator

An AC generator has 100 rectangular loops on its armature. Each loop is 11 cm long and 6 cm wide. The armature rotates at 1400 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.7 T, which is perpendicul..

  What is the magnitude of electric field of the baseline

Three point charges are placed at the corners of an isosceles triangle. At the left and right end points of the base are 6 micro coulomb and 6 micro coulombrespectively, What is the magnitude of the electric field at the midpoint of the baseline

  Estimate the total power of the source

A sound source approximated as a point radiates sound equally in all directions. What is the total power of the source

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd