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A pitching machine shoots a baseball with a speed of 70 mph and a rotation of 300 rpm clockwise. Knowing there is no slipping between the wheels and the baseball, determine the angular velocities of wheels A and B. (Diameter of A and B is 7 inches, separated by 3 inches for the baseball).
An airfoil in a test chamber is exposed to air. Well ahead of the airfoil the pressure, temperature, and density are standard sea level conditions. Determine the velocity of the airflow
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
A rock is tossed straight up with a velocity of 20 m/s When it returns, it falls into a hole 10m deep.What is the rock's velocity as it hits the bottom of the hole
You have a thin rod of length 20cm which has a charge density that varies with position on the rod. In fact it is given by 3x, where x is in meters. Determine the net charge on the rod
A 0.444 kilogram pendulum bob passes through the lowest part of its path at a speed of 2.12 meter per second. obtain what angle does the cable make with the vertical
the tires of a car make 71 revolutions as the car reduces its speed uniformly from 95 kmh to 44 kmh . the tires have a
question1a traffic light weighing 1.20 x 102 n hangs from a vertical cable tied to two other cables that are fastened
A soccer player kicks the ball toward a goal that is 27.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
a large cruise ship of mass 6.80 x 107 kg has a speed of 12.8 ms at some instant. a what is the ships kinetic energy at
A 1 kg block of Al is heated at atmospheric pressure so that its temperature increases from 22.0 degrees C to 40.0 degrees C. calculate The work done by the Al block
An autoclave is a device used to sterilize laboratoryinstruments. It is essentially a high-pressure steam boiler andoperates on the same principle as a pressure cooker. What is the temperature of the steam
In a rectangular corrdinate system, a postitve point charge q = 6.00nC is placed at the point x = +.150 m, y = 0, and an identical point charge is placed at x = -.150 m, y = 0.
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