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When a simple pendulum is swinging at small angles near the surface of the Earth, it takes 80 seconds to complete 56.37 oscillations. Then, the pendulum is brought to planet X (which is smaller than Earth), and now takes 1.151 seconds for the pendulum to swing from one turning point to the other turning point. Determing the length of the pendulum, the acceleration of gravity on the surface of Planet X, and how many oscillations are completed in 1/2 minute on Planet X.
Two people are carrying a uniform wooden board that is 3.00 m long and weights 160 N. at what point does the other person lift
A student attempts to "levitate" a piece of current-carrying wire using the Earth's magnetic field (55 T). Calculate the rate of heat production in the wire
assume that the earth is a uniform density spherical mass. this assumption is not correct but we will use it for
The magnet rotates at angular frequency w. Write an expression for the flux through a single loop as a function of time in terms of magnet area, coil area, and field strength. (It should include a sine function.)
A Federation starship (7.5 multiplied by 106 kg) uses its tractor beam to pull a shuttlecraft (5.0 multiplied by 104 kg ) aboard from the distance of 12 km away.
A 1172kg car traveling to thewest slows down uniformly from 20.0m/s to 5.0m/s. How far does the car travel during the deceleration
Three identical resistances, each 24 ohms, are connected in parallel with one another. What is total current through the combination
the pressure and temperature of steam entering an adiabatic turbine are 4000kPa and 400 degrees C, respectively. if the pressure and the temperature of the working fluid at the exit are 200kPa and150 degrees C
q1. what is the maximum speed with which a 1200- car can round a turn of radius 71 on a flat road if coefficient of
A neutron in a nuclear reactor makes an elastic head-on collision with a carbon atom initially at rest. (The mass of the carbon atom is 12 times that of the neutron.) What fraction of the neutron’s original kinetic energy is retained by the neutron?
A 100uF capacitor is initially chargcd to 10V. The capacitor is disconnected from the source that charged it, and then a 1000 Ohm resistor is connected across the capacitor, What is the total initial energy stored in this system,
A sledge loaded with bricks has a total mass of 17.5 kilogram and is pulled at constant speed by a rope inclined at 19.6 degree above the horizontal. Evaluate what is the tension in the rope
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