What is the increase in temperature of the brakes

Assignment Help Physics
Reference no: EM13342789

A 715 kg car moving at 28 m/s brakes to a stop. The brakes contain about 17 kg of iron that absorb the energy. What is the increase in temperature of the brakes? Assume the specific heat of iron is 450 j/kg C Answer in units of C.

Reference no: EM13342789

Questions Cloud

What is the depth of the well : A stone is dropped into a well. The sound of the splash is heard 2.87 s later. What is the depth of the well
What is ob evaluation : What is ob evaluation, and how is it used by compensation professionals? What are the various techniques used in job evaluation?
How much heat does it reject during each cycle : A Carnot engine works between two heat reservoirs at temperatures Thot= 314.0 K and Tcold= 225.0 K. What is its efficiency? How much heat does it reject during each cycle
Determine concentration of silver ions remaining in solution : If 1.35 g of silver nitrate is dissolved in 115mL of water, and to this solution is added 5.00 mL of 1.45M hydrochloric acid resulting in the formation of a precipitant. Find the concentration of silver ions remaining in solution.
What is the increase in temperature of the brakes : A 715 kg car moving at 28 m/s brakes to a stop. The brakes contain about 17 kg of iron that absorb the energy. What is the increase in temperature of the brakes
Discuss a civil construction organization in the uk : Discuss a civil construction organization in the United Kingdom that has built total quality culture to realize the full value from TQM or Six Sigma initiatives in their quest for operational excellence.
What is the total energy of the object and the spring : A 1.6 kg object oscillates with simple harmonic motion on a spring of force constant 400.0 N/m. What is the total energy of the object and the spring
Redesign the product risk factor matrix : Redesign the product risk factor matrix so that the factors are appropriate for a services firm that delivers traditional tax accounting and audit services. For example, among the supply risks, assume that the company relies on individuals wit..
Explain water in the hydrate and the formula of the hydrate : A 2.500 gram sample of a hydrate of calcium sulfate loses 0.523 grams of water when heated. Determine the mass percent of water in the hydrate and the formula of the hydrate.

Reviews

Write a Review

Physics Questions & Answers

  What velocity does the man acquire as a result

A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.

  What is intensity of the light source

You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light at the detector as you vary the relative angle between the transmission axes of the polarizers. What is intensity of the light s..

  How much time does the disk take to stop

A disk, initially rotating at 106 rad/s, is slowed down with a constant angular acceleration of magnitude 2.24 rad/s2. How much time does the disk take to stop

  What is the power radiated by the sphere

Consider a solid sphere of radius 15 cm, at a temperature of 68 degrees Celsius. What is the power radiated (in watts) by the sphere

  State whether the image is upright or inverted

The lens and mirror are separated by d = 1.00 m and have focal lengths of +80 cm and -50 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.

  Determine with what frequency do they oscillate

two equal masses are attached to the ends of a spring whose force constant is k. With what frequency do they oscillate

  Find the magnitude and direction of the force on a proton

A 5.4-µC point charge is located at x = 0.9 m, y = 3.3 m, and a -3.9-µC point charge is located at x = 1.9 m, y = -1.9 m. (a) Find the magnitude and direction of the electric field at x = -3.2 m, y = 0.9 m.' (b) Find the magnitude and direction of..

  Find the velocity of the boat relative to shore

A rocket is launched at an angle of 52° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 32 m/s2. At this time, its engines fail and the rocket proceeds to move..

  Find resulting potential difference across each capacitor

80 pF capacitor and a 320 pF capacitor are both charged to 2.8 kV. They are then disconnected from the voltage source and are connected together, Find the resulting potential difference across each capacitor

  Determine the bullets speed just before impact

A uniform thin rod of length 0.50 m and mass 4.0 kg can rotate in a horizontal plane about a vertical axis through its centre. what is the bullet's speed just before impact

  What is angular speed of wheel with the gob of clay attached

A gob of clay, mass 217 g, falls from rest a distance 50 cm before striking and sticking to the edge of a wheel free to rotate about a horizontal axis through its center.

  Compute the velocity of the bullet before striking block

A 19 g bullet is shot into a 5270-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.4 m/s. compute the velocity of the bullet before striking block.

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