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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?
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.170 .
A mass vibrates at the end of a spring with simple harmonic motion. The spring constant is 30 N/m. What is the kinetic energy of the mass when it is at half its amplitude
What is wave number
Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon
A string that is fixed at both ends has a length of 1.61 m. When the string vibrates at a frequency of 92.8 Hz, What is the fundamental frequency of the string
one billiard ball is shot east at 2.19 ms. a second identical billiard ball is shot west at 1.04 ms. the balls have a
A ball is released from rest at t=0.3s on an inclined segement of track. The ball rolls down the incline onto a 2m section of level track and then continues down a second incline, find the speed of the ball on the level segment of track
A $100 cart is moving down an inclined plane at 1.30 m.s, The cart collides with a stationary object and rebounds with a speed of 0.970 m/s. What was the change in momentum
the american standard code for information interchange has 128 characters which are binary coded. if a certain computer
How many revolutions did the child make around
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
Two identical point charges are fixed to diagonally oppositecorners of a square that is 2.8 m on aside. Each charge is +3.5 µC. How much work is done by the electricforce as one of the charges moves to an empty corner?
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