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An out of control truck with a mass of 7500 kilogram is traveling at 13 meter per second (about 30 miles per hour) when it locks up its brakes and starts descending an icy hill with a 5o incline. The coefficient of kinetic friction between the trucks tires and the icy road is .27. Use the work- energy theorem-
a. Find how far the truck will slide down the slope with its brakes locked up before it comes come to rest and stops?
b. Find how far will the truck slide if the truck has the same magnitude of speed but different direction up the hill when the brakes lock up?
A racquetball with a diameter of 5.6 cm and a mass of 42 g is cut in half to make a boat for American pennies made after 1982. How many pennies can be placed in the racquetball boat without sinking it
A 3.00-kg block starts from rest at the top of a 35.5° incline and slides 2.00 m down the incline in 1.50 s, Find the frictional force acting on the block
In a series L-R-C circuit, the components have the following values:L = 21.5mH , C= 165uf , and R= 320 ohm. Determine the average power supplied by the generator
A ball swings in a vertical circle at the end of a rope 1.40 m long. When the ball is 35.5° past the lowest point on its way up, Determine the magnitude of its radial acceleration
julie throws a ball to her friend sarah. the ball leaves julies hand a distance 1.5 meters above the ground with an
The suspension system of a 2100 kg automobile "sags" 12 cm when the chassis is placed on it. Also, the oscillation amplitude decreases by 57% each cycle. Estimation the values of (a) the spring constant k and (b) the damping constant b for the spring..
A spaceship moves past you at speed v. You calculate the ship to be 364 m long, whereas an astronaut on the ship measures a length of 420 m. Find v.
A comet has a very elliptical orbit with a period of 123.0 years. what is its greatest distance from the Sun in AU
A 180 ib soldier had an accident: He fell down from a helicopterhoverin at 150 ft above a sno packed ground. evaluate the direction of this net acceleration
An electron is constrained to the central axis of a ring of charge 1 coulomb and of radius 1 meter. Find the frequency of oscillation of the electron in Hertz
The second part of this question says only the circular section isrotated 90 degrees CCW. Therefore, shouldn't the magnetic fieldfrom the wire be in the k direction and the magnetic field from the loop be in the i direction? The net field should be a..
A ball is thrown up with an initial speed of 32m/s from a height of 84m. How long is the ball in the air? What is its impact speed with the ground? At what time wills the object be halfway between the starting point and the ground,
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