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Captain Kirk and crew land on a planet that is made ofintergalactic bird feathers. The radius of the planet is twice thatof the earth but the mass is only 1/3 the mass of the earth.
(a) What is the acceleration due to gravity on this avianotherworld?
(b) The planet rotates at 2 revolutions per hour, what is theangular velocity?
(c) At the equator of the planet what is the tangentialspeed?
(d) What is the apparent weight of someone at the equator?
A block hangs from the ceiling by a massless rope. A second block is attached to the first block and hangs below it on another piece of massless rope. Calculate the mass of the top block
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Two railroad cars, each of mass 7850kg and traveling 85km/h in opposite directions, collide head-on and come to rest. How much thermal energy is produced in this collision
50-turn coil of wire of dimensions 9 cm by 5 cm. It carries a current of 0.090 A and is hinged along one long side. What is the torque acting on the coil about the hinge line
Calculate the speed of a proton with a kinetic energy of 1.48 eV, Find the speed of an electron that has a kinetic energy of 1.48 eV. 1 eV = 1.602 × 10^?19 J
the apollo lunar module was used to make the transition from the spacecraft to the moons surface and back. consider a
a 5.0*10^2 N laod is lifted 6.0 m with a pulley. the force exerted on the pulley rope is 165 N and the efficiency is 65 %. how far is the rope pulled
An object 0.520cm tall is placed 17.0cm to the left of the vertex of a CONVEX spherical mirror having a radius of curvature of 24.0cm. Calculate the size of the image
q1. if the distance between two slits is 0.031 mm and the distance to a screen is 2.50 m find the spacing between the
A boy tosses a coin straight up to 2.4m. Suppose the height whenthe coin leaves his hand is 1.1m. What was the initial speed of thecoin when it left his hand
for all problems of this assignment consider nuclear power plant npp with pressurized water reactor pwr. reactor have
A 3.6cm -diameter isolated metal sphere carries a net charge of 0.90uC. What is the potential at the sphere's surface
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