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There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted thus that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes. You put the wet leaves in the container and turn the crank to spin off the water. The radius of the container is 11 centimeter. When the cylinder is rotating at 2.0 rev/s. Obtain the magnitude of centripetal acceleration at the outer wall?
A marble is thrown horizontally with a speed of 13 m/s from the top of a building. From what height above the ground was the marble thrown
A mass m hangs from a uniform spring of constant k. what is the period of oscillations in the system
a merry-go-round r=2m, initially at rest is given a constant tangential push that depends on time. F(t) =β(t) applied on the rim. β=10N/s, Calculate angular acceleration as a function of time
A child in a boat throws a 5.20 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.0 kg and that of the boat is 40kg.
A 20.0 kg box rests on a table. What is the weight of the box and the normal force acting on it
The springs of a 1800kg car compress 5.4mmwhen its 64kg driver gets into the driver's seat.If the car goes over a bump, what will be the frequency of oscillations
A ball is thrown horizontally from the top of a 55 m building and lands 105 m from the base of the building, How long is the ball in the air in seconds
In a photoelectric effect experiment, visible radiation is incident upon a metal of work function 1.05 eV. What is the wavelength of the incident radiation
Just by the impact, the clay has speed v0 = 9 m/s, and the disk is rotating clockwise with angular speed w0 = 0.4 rad/s. Just following the impact, what is an angular speed of the combined system of wheel plus clay.
question1light with the frequency of 5.60times1014hertz travels in a block of glass that has an index of refraction of
A scientific calculator draws 0.60mA of current from a 6.0V battery pack. In 20 minutes of operation how many electrons flow through the calculator
How much work is done by the motor when the motor when the position of the arm is moved from x=0.150m to x=0.750m? what is the power of the motor in watts
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