Find out the energy dissipated by friction

Reference no: EM13119528

A 1800 kg car moving at an initial speed of 25 m/s along a horizontal road skids to a stop in 58 m. (Note: When stopping without skidding and using conventional brakes, 100 percent of the kinetic energy is dissipated by friction within the brakes. With regenerative braking, such as that used in hybrid vehicles, only 70 percent of the kinetic energy is dissipated.) (a) Find the energy dissipated by friction. (b) Find the coefficient of kinetic friction between the tires and the road.

Reference no: EM13119528

Questions Cloud

Is ball on its way-up or down when the ball strikes the wall : Jason is practicing his tennis stroke by hitting balls against a wall. The ball leaves his racquet at a height of 60 cm above the ground at an angle of 80' with respect to the vertical. Is ball on its way-up or down when the ball strikes the wall?

Direction of inequality symbol : When solving an inequality, when is it necessary to change the direction of the inequality symbol?

At what ph will a solution begin to show precipitation : The Ksp for Al(OH)3 is 2 x 10-32. At what pH will a 0.2 M Al3+ solution begin to show precipitation of Al(OH)3.

Which statement correctly describe how this increased demand : Suppose that a cell's demand for ATP suddenly exceeds its supply of ATP from cellular respiration. Which statement correctly describes how this increased demand would lead to an increased rate of ATP production?

Find out the energy dissipated by friction : Find out the energy dissipated by friction. Find the coefficient of kinetic friction between the tires and the road.

Write the conclusion of essay : PARAPHRASE this essay, and write the conclusion. Abstract: A number of investigators have proposed that human adults' number representations and mathematical thinking depend, in part, on a sense of approximate numerical magnitudes.

Find probability that all of american say yes-table-service : Suppose that four American adults are asked if they ate at table-service restaurants last week. What is the probability that all of them say yes?

What is the probability that in given year erroneous returns : If the annual proportion of erroneous income tax returns filed with the IRS can be looked upon as a random variable having a beta distribution with α= 2 and β = 9,

Calculate the magnitude of the torque about his shoulder : An athlete at a gymnasium holds a 3.0kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg. Calculate the magnitude of the torque about his shoulder if he holds his arm

User Account

All Pages