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A planet has a radius of 2.69 x 10^7 m and a mass of 3.06 x 10^25 kg. It orbits its sun at 1.15 x 10^11 m (assume a circular orbit) and the period of its orbit is 6.34 x 10^7 s. The mass of its sun is 9.22 x 10^31 kg. The radius of the sun is 1.50 x 10^9 m. What is the acceleration due to gravity on the surface of the planet (g)?
The mass of the nuclide 16/8 O is 15.994 915 u. Determine its average binding energy per nucleon
The loaded cab of an elevator has a mass of 3.0 x 10^3 kilogram and moves 210 meter up the shaft in 23 second at a constant speed. Find at what average rate does the force from the cable do work on the cab
suppose a stereo home-audio system draws at most an electrical power of 100 w from the outlet uses a power of 2 w for
The click beetle accelerates at 400 g over a distance of 0.60 cm as it bends its thorax to click. Assuming the beetle jumps straight up what speed doesit leave the ground? How much time is required to reach this speed?
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
A 100 g cube of ice at 0 degrees C is dropped into 1.3 kg of water that was originally at 82 degrees C. find the final temperature of the water after after the ice melts
In February 1955, a paratrooper fell 370 m from an airplane withoutbeing able to open his chute but happened to land in snow, find the magnitude of the impulse on him from the snow
a doppler speed meter operating at exactly 1.02 x 105 hz emits sound waves in the direction of anoncoming baseball. the
What is an approximate absorbed dose rate in Gy per day in water at the center of the bucket if 163 atoms of Cs-137 disintegrate per g s? Use the straight-ahead approximation and mean-radius method of calculating the photon dose. Give the answers for..
An electron is initially at rest and is accelerated in the positive x direction to a speed of 1.90 × 106 m/s over a distance of 1.0 cm, by a uniform electric field. What is the magnitude of the electric field
a proton moves through a magnetic field at 29.9 of the speed of light. at a location where the field has a magnitude of
A motorist drives along a stright road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police officer starts to accelerate at 2.00 m/s2 to overtake her. Assuming the officer maintains this acceleration, the time it takes (in s..
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