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Question1
John turns his living room into a giant "turntable," but forgets to pin down furniture. As a result, the furniture flies off the turntable as it begins to spin. If a constant torque is being applied to the turntable, what happens to angular acceleration?
Question2
How do you analyse this without knowing the mass? A sled slides without friction down a small, ice-covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom are 7.70 m/s. On a moment run, the sled starts with a speed of 1.35 m/s at the top. Compute the speed of the sled at the bottom of the hill after the second run.
A piece of copper wire has a resistance per unit length of6.1510-3?/m. Find the magnetic field strength at the center of the coil
A sound wave, traveling at 353m/s, is emitted by the foghorn of a tugboat. How far away is the reflecting object
A rowboat crosses a river with a velocity of 3.51 mi/h at an angle 62.5° north of west relative to water. The river is 0.8 mi wide and carries an eastward current of 1.25 mi/h. How far upstream is the boat when it reaches the opposite shore.
question1assume you had done the latent heat of fusion experiment with ice that was considerably colder than 0 degc.
Consider single slit Fraunhofer, what is the ratio of irradiance at the central peak maximum to the first of secondary peak
Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. N (toward the earth)
one end of a uniform beam of 222N is hinged to a wall, the other end is supported by a wire that makes angles of 30 with both wall and beam, find out the tension in the wire and horizontal and vertical componentes of the force od the hinge on the ..
one mole of water molecules consists of 1 mole of oxygen (16 g) and 2 moles of hydrogne (1 g each). how many moles of water did you make
A proton having an initial velocity of 17.2i hat bold Mm/s enters a uniform magnetic field of magnitude 0.360 T with a direction perpendicular to the proton's velocity. Determine the distance the proton traveled in the field
During an electrostatic field experiment, you assume that the electric field lines are in the plane of the paper, What condition determines the accuracy of this assumption
Assume that we suddenly discovered that all these years we would be wrong about the distance from Earth to the Sun, and it is actually 10 percent greater than we would think. How would that affect our approximation of the distance to the Andromeda..
Determine the coefficient of kinetic friction between the crate and surface.
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