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The length of a simple pendulum is .79 m and the mass at the end of the spring is .24 kg. The pendulum is pulled away from its equilibrium position by an angle of 8.50 degrees and released from rest. Neglecting friction and assuming SHM, what is the speed of the mass as it passes through the lowest point of the swing?
Two equal point charges of magnitude 4.0 µC are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges
during the compression stroke of a certain gasoline engine, the pressure increases from 1.00 atm to 5.0 atm. by what factor does the volume change
a soccer ball is kicked from the ground with an initial speed of 18.0 ms at an upward angle of 46.3. a player 53.2 m
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
A gas is to be expanded from initial state i to final state f along either path 1 or path 2 on a p-V diagram. What is the change in the internal energy of the gas along path 2
A wire is attached to a ceiling and a brass ball. The tension on the wire is T=120N. What is the new weight of the ball
When the tips of the rotating propeller of an airplane have a linear speed greater than the speed of sound, the propeller makes a lot of noise, which is undesirable. If the length of the propeller is 2.354 m
At a right angle to a magnetic field. The acceleration of gravity is 9.81 m/s2. What is strength of the magnetic field necessary to exactly balance the weight of the proton and keep it moving horizontally.
A convex mirror has a radius of curvature of 44.0 cm. When a 5.60 cm tall object is placed in front of the mirror, the magnification is 0.250. How far is the object from the mirror
A child in a boat throws a 5.600 kg package out horizontally with a speed of 11.00 m/s. Determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 23.00 kg and that of the boat is 45.00 kg.
My moter has effciency of 80% with a flywheel attached to its shaft. The flywheel had a diamter of 2 ft and weighs 40 pounds. What is the input power in watts
q1. a ship sets out to sail to a point 156 km due north. an unexpected storm blows the ship to a point 118 km due east
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