Slide the crate across the dock at a constant speed

Assignment Help Physics
Reference no: EM13681757

A 50.7-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.628 and 0.358, respectively. What horizontal pushing force is needed to (a) just start the crate moving and (b) slide the crate across the dock at a constant speed?

Reference no: EM13681757

Questions Cloud

About electric fields : Which of the subsequent is true about electric fields? Electric fields are scalars, and do not have direction. Electric fields point from low voltage to high voltage.
What is the amplitude of the pendulum : A simple pendulum of length 0.8 m swings such that the pendulum reaches the maximum speed in the positive direction at a time of 0.3 seconds. At 0.4 seconds, the pendulum is at an angle of 0.05 radians. Assuming a solution of the form theta (t) = A c..
A child slides down a snow-covered slope on a sled : A child slides down a snow-covered slope on a sled. At the top of the hill, her mother gives her a push at a speed of 0.9 m/s to obtain her started. The frictional force acting on the sled is one-fifth of the combined weight of the child and the sled..
Power consumed by blow-dryer and the vacuum cleaner : A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 14 A, while that of the vacuum cleaner is 4.7 A. Decide the power consumed by the blow-dryer and the vacuum cleaner.
Slide the crate across the dock at a constant speed : A 50.7-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.628 and 0.358, respectively. What horizontal pushing force is needed to (a) just start the crate moving and (b) slide the crate across th..
What is total translational kinetic energy of gas molecules : The rms speed of the molecules in 1.4g of hydrogen gas is 1700m/s. What is the thermal energy of the gas? What is the total translational kinetic energy of the gas molecules?
Parallel plate capacitor with adjustable plate separation : A parallel plate capacitor with adjustable plate separation d and adjustable area A is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Give all correct ..
A hollow non conducting spherical shell has outer radius : A hollow non conducting spherical shell has outer radius r2 = 17cm and inner radius of r1= 6 cm. A charge of q = -25nC lies at the center of the shell. The shell carries a spherically symmetric charge density rho = Ar for R1
Flow from the battery onto the positive plate : A parallel-plate air capacitor of area A=14.0cm^2 and plate separation d=3.00mm is charged with a battery to a voltage 68.0V. If a dielectric material with kappa=3.90 is inserted so that it fills the volume among the plates (with the capacitor still ..

Reviews

Write a Review

 

Physics Questions & Answers

  On standing at the edge of a cliff throws a stone

a person standing at the edge of a cliff throws a stone horizontally over the edge with a speed of vi 32.4 ms. the

  Compute the area of the input piston

A hydraulic lift is used to jack a 1070 kg car 13 cm offthe floor. The diameter of the output piston is 18 cm, and theinput force is 250 N. What is the area of the input piston

  Phenomenon is called the relativity of simultaneity

A traveler in a rocket of proper length 2d sets up a coordinate system S' with its origin O' anchored at the exact middle of the rocket and the x' axis along the rocket's length. At time t' = 0 she ignites a flashbulb at O'.

  Derive the 5 volt reference from a 5 volt source

Derive the 5 volt reference from a 5 volt source. Apply a 1 KHz sine wave. Vary the amplitude of the input voltage and sketch the input and output waveforms.

  Find the emf induced in the coil as a function of time

A toroid having a rectangular cross section (a = 2.00 cm by b = 3.00 cm) and inner radius R = 3.80 cm consists of 500 turns of wire that carries a sinusoidal current I = Imax sin ?t, find the emf induced in the coil as a function of time

  What is the force on the rope farther from the worker

A window washer is standing on a scaffold supported by a vertical rope at each end. the scaffold weighs 200N and is 3.21 m long. assume the 900N worker stands 1.44 m from one end of the scaffold. what is the force on the rope farther from the work..

  Determine the net electric field at the third vertex

Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. The length of one side of the triangle is 1.00 nm. What is the net electric field at the third vertex

  Find what was the elevator minimum acceleration

A 17 kilogram monkey hangs from a cord suspended from the ceiling of an elevator. Find what was the elevator minimum acceleration

  Questionnbspnbspa particle has initial velocity 5 ms due

questionnbspnbspa particle has initial velocity 5 ms due east and acceleration 2 ms2 due west. find the distance

  Find the original potential energy of the box

A 14 kilogram box slides down a long, frictionless incline of angle 30 degree. Find the original potential energy of the box relative to the ground

  What is the average power delivered by the source

An L-R-C series circuit, R = 160? , L = 0.730H , and C = 2.00×10?2?F . The source has a voltage amplitude of 160V and a frequency equal to the resonance frequency of the circuit. What is the average power delivered by the source

  An open-topped cylindrical pot has a volume

An open-topped cylindrical pot has a volume of 125cm3. What dimensions will minimize the total amount ofmaterial used in making this pot? Neglect the thickness of thematerial as well as possible wastage.

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