Find the work done by gravity on the crate

Assignment Help Physics
Reference no: EM13531851

A crate of mass 20 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 12 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between the crate and the ramp is ?K = 0.45.

Find the work done by gravity on the crate.

Reference no: EM13531851

Questions Cloud

Explain which solvents are the best for trimyristin : Which solvents are the best for trimyristin: methanol,, acetone, cyclohexane,, dichloromethane or diethyl ether. How would you rank the solubility of each compound
How much energy is dissipated per unit time : A battery with a 12-V EMF has a terminal voltage of 11.4 V when it delivers 20A to the starter of a car. How much energy is dissipated per unit time by internal resistor
Explain the wavelength of light that has enough energy : Bond energy of O2 is 0.494 MJ/mole. What is the wavelength of light that has enough energy to break the O2 bond? What do you call the wavelength range of this photon
Prepare the adjusting entries : The trial balances shown on page 208 are before and after adjustment for Amit Company at the end of its fiscal year - Prepare the adjusting entries
Find the work done by gravity on the crate : The person pushes the crate a distance of 12 m as measured along the ramp. Find the work done by gravity on the crate
Accounts of sandin company : Analyzing the accounts, journalize (a) the July transactions and (b) the adjusting entries that were made on July 31. (Hint:July transactions were for cash.)
Determine the ph of a solution prepared by dissolving : Calculate the pH of a solution prepared by mixing 0.0800 mol of chloroacetic acid plus 0.0400 mol of sodium chloroacetate in 1.04 L of water. (pKa of chloroacetic acid = 2.865.)
What is the work done by the person : A crate of mass 46 kg is pushed across a level floor by a person. what is the work done by the person
How to compute the ph of a solution prepared by mixing : Calculate the pH of a solution prepared by mixing 0.0100 mol of the base B (Kb = 10^-2.00) with 0.0200 mol of BH+Br- and diluting to 1.13 L.

Reviews

Write a Review

Physics Questions & Answers

  Compute the magnitude of the force between the two objects

An electric force of 4.0 N exists between two objects separated from each other by a distance of r. If the distance is decreased to 0.50 r, compute the magnitude of the force between the two objects.

  What is the mass of the block on the left

What is the mass of the block on the left. At what rate is the plate's area increasing when the radius is 50 cm? (Give your answer correct to 2 decimal places.)

  What is the speed of the helium atoms in the tank

A 18 liter tank of helium is at a pressure of 192 kPa at a temperature of 0 C. A.) How many moles of helium are there in the tank? B.) If the volume of the tank expands to twice its initial volume at constant pressure, what is the new temperature?..

  What energy must be transferred to the electron for jump

Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump

  Determine the takeoff speed of the aircraft

An airline passenger dangles her watch from a string while the jet takes off. The string makes an angle of 25o with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Determine the takeoff speed of the a..

  Q1 after being accelerated to a speed of 17times10 5 ms the

q1. after being accelerated to a speed of 1.7times10 5 ms the particle enters a uniform magnetic field of strength 1.00

  Determine how large is the current in the heart

The body contains many small currents caused by the motion of ions in the organs and cells. how large is the current in the heart

  What is the reading on the scale

A 11.2 kg block of metal measuring 4 cm x 2 cm x 3 cm is suspended by a spring scale and submerged in water. What is the reading on the scale

  What focal length lenses does he require at age forty-five

At age forty, a man requires contact lenses (f = 58.0 cm) to read a book held 25.0 cm from his eyes. At age forty-five, he finds that while wearing these contacts he must now hold a book 29.0 cm from his eyes.

  Find change in entropy of universe resulting from collision

When people sleep, their metabolic rate is about 2.6 x10-4 C/(s.kg). How numerous Calories does a 69 kg person metabolize while sleeping 9 hours.

  Q1 a 97 v battery is connected to a bulb whose resistance

q1. a 9.7 v battery is connected to a bulb whose resistance is 1.3. how many electrons leave the battery per minute?q2.

  What is the skiers speed on the lower level stretch

A skier starts down a 35? slope. After a vertical drop of 31m , the slope temporarily levels out and then drops at 18? an additional 39m vertically before leveling out again. What is the skier's speed on the lower level stretch

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