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A satellite moves in a circular orbit around Earth at a speed of4000 m/s.
Decide:
1) The satellite's altitude above the surface of Earth
2) The period of the satellite's orbit.
a modern sculpture has a large horizontal spring with a spring constant of 276 nm that is attached to a 56.0-kg piece
A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box
The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. What is the refractive power of this lens
The rear end of an air conditioner dumps 1.2 * 10^7 J/hr of waste heat into the air outside a building. A fan assists in the removal of this heat. With what temperature does the air emerge
Two bars of identical mass are at 29 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/ (kg • C°).
A metal wire of resistance R is cut into three equal pieces that are then braided together side by side to form a new cable with length equal to one-third of the original length
The speed of sound in air is around345 m/s. What is the wavelength (in cm) of the sound waves in the tube
at 20.0degc a mainly silicon resistor has a resistance of 365 o and a tungsten resistor has a resistance of 752 o. at
A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x=60 m/s and v0y=175 m/s, What is the magnitude of the velocity of the projectile 21.0s after it is fired
a ramp consisting of a large piece of cardboard poster board or similar thin and smooth materiala toy car such as a
Sketch and describe a floe control loop.
a rotating flywheel can be used as a method to store energy. if it has 108105j of kinetic energy when rotating at 400
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