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A spaceship of mass 2.10×106 is cruising at a speed of 4.80×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.60×105, is blown straight backward with a speed of 2.20×106. A second piece, with mass 7.80×105, continues forward at 1.30×106. What is the speed of the third piece?
In a slow-pitch softball game, a 0.200-kg softball crosses the plate at 20.0 m/s at an angle of 40.0° below the horizontal. Determine the impulse delivered to the ball
What would be the minimum width of the mirror if you are willing to accept that you must use two eyes to see the full width of your face
A 4.1 kg ball oscillates with a period of 2.6 seconds, and an amplitude of 23. cm. What is the maximum acceleration
An undamped 1.42-kg horizontal spring oscillator has a spring constant of 29.9 N/m. While oscillating, it is found to have a speed of 2.53 m/s as it passes through its equilibrium positio
Venus has a mass of 4.87 1024 kg and a radius of 6.05 106 m. Assume it is a uniform solid sphere. What is the rotational kinetic energy of Venus on its axis
A laboratory electromagnet produces a magnetic field of magnitude 1.38 T. A proton moves through this field with a speed of 6.06 multiply.gif 106 m/s. find the magnitude of the maximum acceleration of the proton
Many star are observed to have rotation periods that lengthenslightly with time, a phenomenon called "spin down." The rate ofslowing of the Crab Star is 3.50*10-13 s per second, which implies that if thisrate remains constant, the Crab Comet will s..
The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 38o by a brace that isattached to a pin. The beam has a weight of 338 N. Three additional forces keep the beam i..
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 670 ms. the gun is pointed directly at
find the net force magnitude and direction acting on a 0.5c charge due to a 3c charge 1.2 meters away at an angle of 30
Sarah and her bicycle have a total mass of 40 kg. Her speed at the top of a 10 m high and 100 m long hill is 5 m/s. at what speed will she be going when she reaches the bottom
A projectile is red from level ground at an angle of 30 degree above the horizon. It hits the ground at t = 4 s. What is the magnitude of the initial velocity, v?
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