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The sun's mass is 2 x 10^30 kg, and theaverage radius of Jupiter's orbit is 7.8 x 10^11 m. FInd the orbital velocity of Jupiter.
A 71.0 kg skier is pulled up a frictionless ski slope that makes an angle of 15.0 deg. Determine the magnitude of the force exerted by the rope on the skier
The positions at a, b and c are (40,450), (112,380), (600,150). Calculate the angles of Ufinal and Uinitial. Are the angles significantly different
A certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of 8.50 T in its core when its coils carry a current of 65 A. Find the number of turns in the solenoid.
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 75.8kg, What is the final speed of the crate if both Jack and Jill jump simultaneously and in the same direction
Instead of using batteries, a certain type of flashlight has a built in hand pump which you can squeeze to generate the power necessary to light the bulb, what will be the potential difference across the light bulb
A bat emits a sound whose frequency is 70.9 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 40.4 oC, find the wavelength of the sound
q1. far in space where gravity is negligible a 450 kg rocket travelling at 77 ms fires its engines. the thrust force as
The variable capacitor in the tuner of an AM radio has a capacitance of 2820pF when the radio is tuned to a station at 571kHz. What must the capacitance be for a station
A layer of oil, with a refractive index of 1.40798, 0.97483 mm thick, How many wavelengths are contained in the light wave passing back and forth through the oil
The staples inside a stapler are kept in place by a springwith a relaxed length of 0.115 m. If the spring constant is 51.0N/m, how much elastic potential energy is stored in the spring
A passenger with mass 85 {\rm kg} rides in a Ferris wheel. The seats travel in a circle of radius 35 {\rm m}. find the magnitude of the net force exerted on the passenger
A parallel plate capacitor of capacitance 4.1 uF has the space between the plates filled with a slab of glass with k = 2.9, Find the energy stored in the capacitor after the glass is removed
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