Compute what the magnitude of the frictional force

Assignment Help Physics
Reference no: EM13669721

A man pushes horizontally with a force of 280 Newton on a 60 kilogram crate to move it across a level floor. The coefficient of kinetic friction is 0.35.

(a) Estimate what the magnitude of the frictional force?

N

(b) Estimate what the magnitude of the crates cceleration?

m/s2

Reference no: EM13669721

Questions Cloud

Drops two metallic objects-mass of the aluminium chunk : A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. One object is a200 g cube of copper that is initially at 75°C, and the other is a chunk of aluminium that is initially at 5.0°C.
Penguin runs onto huge horizontal sheet of frictionless ice : A 4.50 kg penguin runs onto a huge horizontal sheet of frictionless ice. The sheet lies on the xy-plane. At t = 0 s it is at x = 0 m and y = 0 m by an initial speed of 0.71 m/s along the positive x-axis. It slides while being pushed with the wind wit..
Find the speed of the given ball : The coefficient of friction between the 3.00 kg block and the surface is 0.400. The system starts from rest. Find the speed of the 5.00 kilogram ball when it has fallen 1.50 meter
How far is coin from side of the container : An opaque container is 15 cm deep. It contains only a single coin. When looking into the container at a viewing angle of 50 degrees relative to the vertical side of the container, you see nothing on the bottom.
Compute what the magnitude of the frictional force : A man pushes horizontally with a force of 280 Newton on a 60 kilogram crate to move it across a level floor. The coefficient of kinetic friction is 0.35. Estimate what the magnitude of the frictional force
What is the submarines acceleration : A 1,450-kg submarine rises straight up toward the surface. Sea water exerts both an upward buoyant force of 16,140 N on the submarine and a downward resistive force of 1,030 N. What is the submarine's acceleration?
Determine the energies and speeds of electrons : Determine the energies and speeds of electrons in circular Bohr orbits in a hydrogen-like atom using the relativistic expressions for kinetic energy and momentum
Reaching her destination-backpacker walk by average velocity : In reaching her destination, a backpacker walks by an average velocity of 1.28 m/s, due west. This average velocity results as she hikes for 6.44 km with an average velocity of 2.56 m/s, due west, turns around, and hikes with an average velocity of 0..
Find the kinetic energy and speed of the bob : A pendulum bob of mass 0.5 kilogram swings on the end of a 0.80 meter string, Find the kinetic energy and speed of the bob when it passes through the equilibrium position

Reviews

Write a Review

Physics Questions & Answers

  Horizontal distance the ball travels beforeit hits ground

A ball is kicked and when it leaves the persons foot it has avelocity for wich υ0x=4 m/sec and ν0y=3m/sec.Before begining this problem indicate coordinate system forx/y.

  Find how much energy is required to boost it to new orbit

The space shuttle is in a 400km -high circular orbit. It needs to reach a 580km -high circular orbit to catch the Hubble Space Telescope for repairs. How much energy is required to boost it to the new orbit

  Compute what must be the angular speed of the disk

A siren is made by blowing a jet of air through 20 equally spaced holes in a rotating disk. Compute what must be the angular speed ω (in rad/s) of the disk

  How many kwh of electricity would have been consumed

Throughout three hours one winter afternoon, when outside temperature was 9° C, a house heated by electricity was kept at 21° C with the expenditure of 46kwh (kilowatt•hours) of electric energy.

  At what rate is thecellar emptied

A pump of 2 kW output power discharges water from a cellar into astreet that is 6m above. At what rate (in liters per second) is thecellar emptied

  Calculate the moment of inertia acting on stud

Calculate the moment of inertia acting on a 2X4 stud (viewed as a thin rod) of approximately 2.25 m with a mass of 5.00 kg, rotated through the center of the beam

  Evaluate the velocity of the car

A car is traveling along a straight road at a velocity of +34.0 m/s when its engine cuts out. Find the velocity of the car at the end of the initial ten-second interval

  Why were the relative intensities of an elements spectral

1. why were the relative intensities of an elements spectral line not all the same?2. the next corresponding hydrogen

  Calculate the emf induced across the ends of the rod

find the work done to move the particle from x = 0 to x = 10.0 m by graphically determining the area under the F versus x graph. (Do this on paper. Your instructor may ask you to turn in this graph.)

  Where is the center of mass of the assembly (x, y)

The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.

  What is the amplitude wavelength and speed of the wave

WThe vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t %u2013 (8?)x]

  Determine the electric potential at the center of the square

Identifcal 2.0uC charges are placed on the vertices of a square with sides that are 2.0m in length. Determine the electric potential at the center of the square

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