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Problem: A car (m = 1,100 kg) is traveling at an initial speed of 13 m/s. It then slows to a stop over a distance of 86 m due to a force from the brakes.
Part A: How much work is done on the car?
I need help to solve the above question and assume the acceleration is constant.
Ignoring the heat lost along the length of the poker, find out the amount of heat conducted from one end of the poker to the other in 3.0 s.
White light is shone on a very thin layer of alcohol (n = 1.36), and above the alcohol layer, interference maxima for two wavelengths (and no other in between) are seen: one violet wavelength of 410 nm, and one red wavelength of 670 nm. What is the t..
one block has a mass M = 500 g, the other has mass m = 460 g, and the pulley, which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. What is the tension in the part of the cord that supports the lighter block
The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force.
It is possible to return the current in the bulb to the value calculated in part (a) by adding an inductor in series with the bulb and the capacitor. What is the value of the inductance of this inductor
question1a jet plane w a constant speed along a straight line at an angle 30 degrees above horizontal. the plane is
During a lunar eclipse, a picture of the moon (which has a diameter of 3.48×106 m and is 3.86×108m from the earth) is taken with a camera whose lens has a focal length of 305mm, What is the diameter of the image on the film
an electric field of 12.4 nc directed due north is superposed on an existing electric field of 16.5 nc directed due
The electric field at a distance of 0.154m from the surface of a solid insulating sphere with radius 0.372m is 1790N/C. Calculate the electric field inside the sphere at a distance of 0.195m from the center
A 4.1×104 locomotive, with steel wheels, is traveling at 7.0 on steel rails when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop
A tennis player tosses a tennis ball straight up and then catches it after 1.65 s at the same height as the point of release. What is the acceleration of the ball while it is in flight
A train 400m long is moving on a straight track with a speedof 82.4 km/h. determine how long the train blocked the crossing
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