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A pendulum of length 3.53 m with a bob of mass 5.50 kg is pulled aside until the bob makes an angle of 35.0° with the vertical. The bob is then released from rest. Find the speed of the bob as it passes through the lowest point in its swing, ignoring friction and air resistance.
A mass of 12.5 kg is hanging by a steel wire 1.11 m long and 1.03 mm in diameter. If the mass is pulled down slightly and released, what will be the frequency of the resulting oscillations
A small loop of area A=7.4 mm^2 is inside a long solenoid that has n=747 turns/cm, find the amplitude of the emf induced in the loop
How much work is completed by the Moon's gravitational field as a 915kg meteor comes in from outer space and impacts on the Moon's surface.
How much time is neccesary to stop the crate. A block with mass m = 5.5 kg slides down an inclined plane of slope angle 10.9 ° with a constant velocity. It is then projected up the same plane with the initial speed 3.85 m/s. How far up the incline ..
A pilot knows a 7.00 km distance lies between two landmarks A and B on the level ground below. When he is over landmark A, What is the airplanes altitude
John is farsighted and cannot see objects clearly that are closer to the eye than 65.0 cm. What is the focal length of the contact lenses
A spherical mirror is to be used to form a real image of an object that is located 5 meters from the object. What type of mirror needs to be used
q1. one of the most powerful cranes in the world operates in switzerland. it can slowly raise a load of m 5000 tonnes
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass and back to air again. At what angles do the the two colors emerge from the glass
A diving bell with interior air pressure equal to atmospheric pressure is submerged in Lake Michigan at a depth of 142.1 m. estimate the magnitude of the net force on the viewing port
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
The drawing shows a block at rest on an incline. What is the static frictional force that acts on the block
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