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A spaceship of mass 2.20 × 106 kilogram is cruising at a speed of 4.70 × 106 m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.90 × 105 kilogram, is blown straight backward with a speed of 2.20 × 106 m/s. A second piece, with mass 8.50 × 105 kilogram continues forward at 1.20 × 106 m/s. Evaluate the speed of the third piece?
Two barometers are made with water and mercury. If the mercury column is 45 in. tall, how tall is the water column
Determine the period of a satellite orbiting the Moon, 190 kilometer above the Moon's surface. Ignore effects of the Earth. The radius of the Moon is 1740 kilometer
A baseball has a velocity of 40.2 m/s (89.9 mi/h), directed horizontally, as it is released by a pitcher. Calculate the ball's instantaneous acceleration just before it is released
two small spheres spaced 20.0 centimeters apart have equal charge.how many excess electrons must be present on each
A child in danger of drowning in a river is carried downstream by a current that flows uniformly with a velocity of 2.0 meters per second.
Referring to a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a cirle (r=11.0m) as the carousel turns.
An object of mass m = 10 kg is initially at rest in a 1Duniverse at x = 0. The object explodes into two pieces of masses mA = 3 kg and mB = 7 kg. After the explosion both masses slide on a surface that provides friction forces of magnitudes FA = 2.94..
What wavelength of electromagnetic waves is needed so that the first strong interference maximum in the Bragg reflection occurs when the waves strike the planes at an angle of 15.0o, At what other angles will strong interference maxima occur
A string, stretched between two fixed posts, forms standing wave resonances at 350 Hz and 420 Hz. What is the greatest possible value of its fundamental frequency
A truck can move up a road having a grade of 1.0-ft rise every 50-ft with a speed of 15 mi/h. how fast will the same truck move down the hill
The vibrational spectrum of the H2 molecule has lines separated in frequency by 1.3x1014 Hz. determine the maximum length of the bond
A long solenoid that has 1,190 turns uniformly distributed over a length of 0.420 m produces a magnetic field of magnitude 1.00 multiply.gif 10-4 T at its center
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