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A bullet of mass m1 = 30grams is moving at speed v1 of 200m/s and it collides head on with another (stationary) mass m2 = 10 grams. They stick together after the collision. What is the speed of the combination after the collision?
A 40 cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5 s. how far will a point on the edge of the wheel have traveled in this time. what is the ratio of the new force to the old force.
A bar of gold measures 0.268 m x 0.0204 m x 0.0583 m. How many gallons of water have the same mass as this bar
Birds resting on a voltage lines is common. The copper wire on which the bird stands is 2.2 centimeter in diameter and carries a current of 50 Amp. find the potential difference across the bird body
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis, What is the radius of a chamber
In what order are the Bayer letters assigned to stars? Is delta-Capricorni brighter than alpha-Capricorni? How do you know? In what order are Flamsteed numbers assigned to stars?
Recent measurements show that the black hole at the center of the Milky Way galaxy, which is believed to coincide with the powerful radio source Sagittarius A*, What is the maximum radius of this black hole
A 10-lb block is attached to an unstretched spring of constant k = 12 lb/in. The coefficients of static and kinetic friction between the block and the plane are .6 and .4 respectively.
Determine the required value of L. Determine the required value of C. Find the maximum value of the ratio ΔVout/ΔVin. Find the frequency f0 at which the ratio has its maximum value.
The International Space Federation constructs a new spaceship thatcan travel at a speed of 0.995c. Mary boards the spaceship totravel to Barnard's star which is 5.98 ly away. After reachingBarnard's star, the spaceship travels slowly around the st..
You kick a 2.3 kilogram football straight into the air with a force of 50 Newtons. If your foot traveled 150 centimeters when kicking the ball calculate the work done on the football
A space vehicle is coasting at a constant velocity of 21.5 m/s in the +y direction relative to a space station. Find the direction of the vehicle's velocity relative to the space station
an initially uncharged air-filled capacitor is connected to a 3.39-v charging source. as a result 9.57 times 10-5 c of
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