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You are designing a spacecraft going to Mars. For the on-board electronics, you need a minimum amount of power in order to function properly. The power is generated by solar cells that have a total surface area of 6.5 m2. From satellites orbiting Earth, you know that the maximum power that these solar panels can generate is 800 W. What is the efficiency of the solar cells?
A 1 022-kg satellite orbits the Earth at a constant altitude of 91-km. What is the change in the system's kinetic energy
A 3.0cm tall object is 50cm in front of a convex mirror that has a -20 cm focal length. Calculate the image position in cm behind the mirror
A car (m = 1510 kg) is parked on a road that rises 18° above the horizontal. find the static frictional force that the ground exerts on the tire
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 81.0 m/s at ground level. What is its maximum altitude
The woman then starts walking clockwise around the rim at .75 rad/s. in what direction and with what angular speed does the turntable rotate.
Monochromatic light of variable wavelength is incident normally on a thin sheet of plastic film in air. The reflected light is a maximum only for 472.9 and 696.0 in the visible spectrum. What is the minimum thickness of the film.
the space shuttle is in a 230 mile high orbit. what are the shuttles orbital period in minutes and its speed.
A car travelling at 16 m/s runs out of gas while travelling up a 21 degree slope. How far up the hill would it coast before starting to roll back down.
The cylindrical beam of a 80.0 mW laser is 0.80 cm in diameter. What is the rms value of the electric field
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/53 s. If the operator then brings it to a stop in 2.8 min, what is the angular acceleration of the Ferris wheel
Define proton-proton chain efficiently
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