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A cycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.50 rad/s2. Determine the wheel's angular velocity, in rpm, 10 s later? Determine how many revolutions does the wheel make during this time?
A 0.13 kg baseball is hit by a .95 kg bat. The contact point on the bat is moving at 40 m/s just prior to ballbat contact, How fast is the ball moving just after impact
A solar concentrating heat exchanger system directs sunlight onto a long straight pipe. The pipe receives heat from sunlight at the rate of 153.616 Btu/hr per foot of length. Water enters the pipe at 50 lbm/hr as saturated liquid at 300 degrees F and..
A spaceship leaves Earth traveling at 0.66c. A secondspaceship leaves the first at a speed of 0.82c with respect to the first. Calculate the speed of the second space ship with respect to Earth if it is fired in the same direction the first spaceshi..
By differentiating the expression for the Maxwell-Boltzmann energy distribution, show that the peak of the distribution occurs at an energy of (1/2)kT.
A 10.2 kg weather rocket generates a thrust of 200N. The rocket, pointing upwards, is clamped to the top of a vertical spring, whose spring constant is 500N/m and is anchored to the ground
A 2.60kg box that is several hundred meters above the surface of the earth is suspended from the end of a short vertical rope of negligible mass, At what value of t does the box return to its initial position
A hardworking ant must supply 0.0500 N to pull a small piece of fruit at constant velocity over a distance of 8.00 cm up a small hill to the entrance of the colony, calculate the work done by the ant by pulling the piece of fruit up the hill
An object of mass m moves to the right with a speed v. It collides head-on with an object of mass 3m moving with speed v/3 in the opposite direction. what is the speed of the combined object
A simple pendulum consists of a ball connected to one end of athin brass wire. The period of the pendulum is 1.81 s. obtain the change in the period of the heated pendulum
A vertical spring has one end attached to the ceiling and a 2.50-kg fish attached to the other one. How far down the fish will drop before starting to come back
Two particles each have a mass of 5.80 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. They are initially held at rest at a distance of 0.70 m apart. Both are then released and accelerate toward each other. How fa..
A 500 kg vehicle is cruising down the highway at 30 m/s when the driver creates an average force of 700 N by stepping on the gas. How much work was done by the vehicle during the .50km of acceleration
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