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a car wheel with a diameter of 30 inches has a linear velocity of 30 mph. The car accelerates for 10 seconds. After the acceleration the car wheel has and angular velocity of 11.21 rev/s. What is the angular displacement of the car whell during the 10 seconds of acceleration?
A child ties a rock to a string and whirls it around in a horizontal circle. Find the period of its uniform circular motion
Two point charges are located on the y axis, by these two charges on a third charge q3 = 7.50nC located at y3 = 0.350m ? and what is the direction of the net force
A dolphin jumps with an initial velocity of 12.5 m/s at an angle of 36.0° above the horizontal. how high above the water is the center of the hoop
A solid (cylindrical) flywheel of mass m and radius r is initally at rest. A force F acts tangentially on its perimeter for a time t. Show that its angular velocity at t = 2Ft/mr . Illustrate what is its angular displacement during that time?
A 68-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.11. What would be the magnitude of acceleration.
question1an electron moves to the right with a speed of 0.82c relative to laboratory frame. a proton moves to the left
If n=10, what is the largest value of the angular momentum l in this shell, How many electrons can be placed in this shell
The tension in a guitar string is increased by a factor of two. by what factor does the wave velocity change
A chemist uses a mass spectrometer to determine the amounts of specific kinds of air pollution in an air sample. What is the diameter of the circular path of NO (nitrous oxide) molecules
A boat has a mass of 4790 kg. Its engines generate a drive force of 4350 N due west, while the wind exerts a force of 940 N due east, What is the boat's acceleration, with correct sign
An astronomical telescope uses an eyepiece of power +80.000 D. what is the magnification of the telescope
A 5.0 V battery storing 72.0 kJ of energy supplies 1.5 A of current to a circuit. How much energy does the battery have left after powering the circuit for 1.0 h
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