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Weightlessness occurs only at the center of mass of the International Space Station as it rotates 350 km above Earth. Calculate the effective g that an astronaut in the station who is 3 m closer to Earth than the center of mass would feel. You may choose to ignore relativistic effects.
The secondary voltage of an ignition trans- former in a furnace is 14 kV. When the primary operates at an rms voltage of 103 V, What is the impedance in the sencondary
A paperweight, when weighed in air, has a weight of W = 6.9N.When completely immersed in water, however, it has a weight of Win water = 4.3 N. Find the volume of the paper weight
the electric field on the axis of a uniformly charged ring has magnitude 390knc at a point 6.2cm from the ring center.
Calculate the minimum amount of energy, in joules, required to completely melt 135 g of silver initially at 28.0°C. The melting point of silver is at 962°C
An electron is constrained to the central axis of a ring of charge 1 coulomb and of radius 1 meter. Find the frequency of oscillation of the electron in Hertz
A boat is steered with constant velocity u .It starts from Point A on the bank of a river of width 12*(2)^(1/2)m which flows at a constant speed of u/2.The boat is always steered such that it point towards a fixed point B on the other bank directly..
How much net heat per second does the runner gain just from radiation if the air temperature is 40.0 oC (104 oF)? (Remember that he radiates out, but the environment radiates back in.) How much net heat per second does the runner gain just from radia..
The force of an explosion on the piston of a gasoline engine is due to the change of momentum of the gas particles. What must be the speed of the molecules of gas after the explosion
A car with a mass of 1000kg is traveling with a velocity of12m/s.The friction due t air resistance is 750N. What is the magnitude of the force needed(bythe engine) to accelerate the car to 18.9m/s in 4.5s? What is the magnitude of the force needed to..
a solid ball has a rotational inertia of 0.0314 kgm2. it is rotated by applying a 4.7 N force tangentiallyto it. the radius is 14 cm. what is the angular acceleration of the ball
A 15-A current flows into a parallel combination of 2.0 ohm, 3.0 ohm, and 6.0 ohm resistors. What current flows through each resistor
a charge of -3.89c is fixed at the center of a compass. two additional charges are fixed on the circle of the compass
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