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Suppose the space shuttle is in orbit 320km from the Earth's surface, and circles the Earth about once every90.9 minutes. Find the centripet alacceleration of the space shuttle in its orbit. Express your answerin terms of g, the gravitational acceleration at the Earth's surface.
A light beam is traveling through an unknown substance. When it exits that substance and goes into air, the angle of reflection is 32.0°, What is the index of refraction of the substance
a weightlifter works out at the gym each day. part of her routine is to lie on her back and lift a 41kg barbell
In an internal combustion engine, air at atmostpheric pressureand a temperature of about 20 degrees celcius is compressed in the cylinder by a piston to 1/9 of its original volume, Estimate the temperature of the compressed air
Light bulb 1 operates with a filament temperature of 2400 K, whereas light bulb 2 has a filament temperature of 1600 K. Find the ratio A1/A2 of the filament areas of the bulbs
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
An airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engine
A skateboarder shoots off a ramp with a velocity of 5.7 m/s, directed at an angle of 53° above the horizontal. how far is this point horizontally from the end of the ramp
Find the change in entropy in the universe. Now, two identical ideal oxygen gases with the same pressure P=1 atm and the same number of particles N = 10^22, but di erent temperature T1 = 30 C and T2 = 40 C,
a metal airplane flies horizontally at 200. m/s where the Earth's magnetic fiels is vertical and is 45.0uT. If the wingspan is 25.0 meters. what emf is induced across the wings
A 2.10-cm-high insect is 1.50m from a 139-mm-focal-length lens. Where is the image? Follow the sign conventions, How high is the image
An object is placed 60 cm to the left of a converging lens having a focal length of 35cm. Calculate the magnification of the final image
A firecracker explodes in reference frame S at t = 2.0 s . A second firecracker explodes at the same position at t = 5.0s . In reference frame S', What is the position of the two explosions in frame S
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