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In Armageddon Bruce Willis and the boys land on an asteroid so as to blow it up and save the planet. Asteroid Ceres has a radius of 287 km and a mass of 9.4X10^20 kg.
1. What is the value of g at the surface?
2. How fast would you have to run to put yourself into orbit?
3. What is the value of g at a radius of 2000 km.
4. What would be the orbital period of a probe in that orbit?
5. What would be the speed of the probe?
A grating with 504 lines/mm is illuminated with light of wavelength 305 nm. What is an angular separation between the two lines formed in order m = 2.
Determine the electric field
Oppositely charged parallel plates are separated by 5.78 millimeter. A potential difference of 600 Volt exists between the plates. Obtain the magnitude of electric field between plates
in a series r-l-c circuit the phase angle is 40.0 with the source voltage leading the current. the reactance of the
when it reaches the buoy?A speedboat moving at 40.0m/s approaches a no-wake buoy marker 100m ahead. How long does it take the boat to reach the buoy
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail
A potential difference V is applied to a wire of cross section A, length L, and resistivity ?. You want to change the applied potential difference, What should be the new values of L and A in terms of the old values
In 1977 Kitty O'Neil drove a hydrogen peroxide-powered rocket dragster for a record time interval (3.22s) and final speed (663km/h) on a 402-m-long Mojave Desert track. Determine her average acceleration during the race
an air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.20 uf. the plate spacing
Consider a gas of hydrogen atoms...At what temperature will an equal number of atoms have electrons in the ground (n=1) state and in the second (n=3) excited state?
The yellow light from a helium discharge tube has a wavelength of 587.50. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.050.
A whale swims due east for a distance of 3.8 km, turns around and goes due west for 7.9 km, What is the total distance traveled by the whale
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