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A spaceship of mass 2.20×106 is cruising at a speed of 5.40×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.90×105 , is blown straight backward with a speed of 2.40×106 . A second piece, with mass 8.10×105 , continues forward at 1.00×106 .What is the speed of the third piece?
At the same instant that a motionless 9.6 kg ball is dropped from 27 m above the Earth's surface, a second ball, what is the velocity of the center of mass of the two-ball system
A plane has a resultant velocity of 550 m/s N of E and airspeed 350 m/s east. Find the velocity of the wind
You stand on a frictional platform that is rotating at 1.3 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
You want to examine the hairy details of your favorite pet caterpillar, using a lens of focal length 9.1 cm that you just happen to have around. what angular magnification do you achieve
A fish takes the bait and pulls on the line with a force of 1.8 N. The fishing reel, which rotates without friction, What is the angular acceleration of the fishing reel
The slit spacing is 0.20nm and the wavelength of the light is 600nm. What is the distance from the slits to the screen
A block of unknown mass is attached to a spring of spring constant 6.1 N/m and undergoes simple harmonic motion with an amplitude of 9.5 cm. Calculate the mass of the block
In a film of Jesse Owen's famous long jump in the 1936 Olympics, What minimum speed did he need at launch if he was also noted to be traveling at 6.5 m/s at the top of the arc
A concrete block of msss 10kg is pulled 7.0m across a frictionless surface by means of a rope and the net work done on the block is 220J. obtain the magnitude of the normal force acting on the block
How much heat must you add to a 10 kg bar of steel to increase its temperature 600 degrees Celsius
While hauling a log in the back of a flatbed truck, you are pulled over by the state police, The log has a mass of m = 844 kg; the truck has a mass of M = 9750 kg. According to the truck manufacturer, Calculate the minimum coefficient of static frict..
A block of mass 16.7 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.89 m/s2. a) What is the tension in the cable? b) What is the magnitude of the net force acting o..
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