Determine the initial speed of the moving van

Assignment Help Physics
Reference no: EM13664074

A police officer investigating an accident determines from the damage done that a moving van hit a stationary van at 28 km/h.

If the moving van left skid marks 49 meters long, and if the coefficient of kinetic friction is 0.69, determine the initial speed of the moving van?

Reference no: EM13664074

Questions Cloud

Find the minimum tension necessary to move the trunk : You drag a trunk of mass m across a level floor using a mass less rope that makes an angle θ with the horizontal. Find the minimum tension necessary to move the trunk
Determine what is the recoil energy of the electrons : Compton used photons of wavelength 0.0711 nanometer. Determine what is the recoil energy of the electrons
Find the charge-carrier density in this conductor : The Hall voltage across a 0.8 millimeter thick conductor in a 0.9 T magnetic field is 3.2 µV when the current is 15 Amp. Find the charge-carrier density in this conductor
Calculate how far up the slope will the mass move : A spring (70 N/M) has an equilibrium length of 1.00 meter. If the mass is not attached to the spring, determine how far up the slope will the mass move before coming to rest
Determine the initial speed of the moving van : If the moving van left skid marks 49 meters long, and if the coefficient of kinetic friction is 0.69, determine the initial speed of the moving van
Find its velocity when it returns to the position : A particle moves along the x-axis. Its position is given by the equation x=7+3t^2-8t^3 with x in meters and t in seconds. Find its velocity when it returns to the position it had at t=0
Find the acceleration due to gravity near its surface : A hypothetical planet has a radius 1.1 times that of Earth, but has the identical mass. Find the acceleration due to gravity near its surface
Evaluate the drift speed of the conduction electrons : A rectangular sample of a metal is 3.6 centimeter wide and 500 µm thick. Calculate the drift speed of the conduction electrons
What is the total magnification : Two 22.0 cm focal-length converging lenses are placed 16.5 cm apart. An object is placed 35.0 cm in front of one lens. Where will the final image formed with the second lens be located?(in cm beyond the second lens)

Reviews

Write a Review

Physics Questions & Answers

  Use newtons laws to explain why you seem to be thrown

if a car stops suddenly you feel thrown forward. wed like to understand what happens to the passengers as a car stops.

  How long does the package take to reach the ground

A hot-air balloon is ascending at the rate of 14 m/s and is 57 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

  Find the frequency of the circular motion of the electron

The radius of the hydrogen atom is 0.053 nm. What is the frequency of the circular motion of the electron in the hydrogen atom

  Find the magnitude of the torque due to friction

The combination of an applied force and a friction force produces a constant total torque of 35.2 N · m on a wheel rotating about a fixed axis. The applied force acts for 6.10 s. During this time, the angular speed of the wheel increases from 0 to..

  What is the overall length of the telescope

What is the magnification of an astronomical telescope whose objective lens has a focal length of 74 cm and whose eyepiece has a focal length of 2.9 cm

  How far away from the people is the plane

How far away from the people is the plane.

  Calculate the angular velocity of the weather vane

A weather vane initially at rest has a moment of inertia of 0.103 kg · m2 about its axis of rotation, Find the angular velocity of the weather vane just after it is struck

  What charge now rests on the outer surface of the sphere

We have a hollow metallic sphere with charge -5.0 µC and radius 5.0 cm. What charge now rests on the outer surface of the sphere

  Determine the frequency of the signal

A circuit containing a 3.9H inductor has an alternating current applied to it. If Irms is 4.4 A and Vp is 45V, find the frequency of the signal

  Determine the maximum current in the resistor

A 1.98 nF capacitor with an initial charge of 4.55 µC is discharged through a 1.23 k? resistor. What is the maximum current in the resistor

  When a 45 n force is applied tangentially to the disk

a solid cylindrical disk has a radius of 0.25 m and it can rotate about a vertical axis.a. when a 45 n force is applied

  How much time elapses before the compass hits the ground

A hot-air balloon is rising upward with a constant speed of 2.68 m/s. When the balloon is 5.62 m above the ground, How much time elapses before the compass hits the ground

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