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A 5.0 gram bullet is fired horizontally into a 0.5 kg block of wood resting on a frictionless table. The block, which is attached to a horizontal spring, retains the bullet and moves forward, compressing the spring. The block-spring system goes into simple harmonic motion with frequency of 9.0 Hz and amplitude of 15 cm. Decide the initial speed of the bullet.
Mass m1=10.0kg is located at the origin of a coordinate system. Mass m2=20.0kg is 1.20m to the right along the x axis. Find the coordinates of the center of mass of this system
q1. a rock is projected from the edge of the top of a building with an initial velocity of 14 ms at an angle of 36
In order to calculate th number of ways of arranging a given amount of energy in a tiny block of copper, How many atoms are in the copper block
a small block of mass 1.2 kg is pushed against a 2.3 kg block by your hand such that if you dont push the small block
A car accelerates from rest to a kinetic energy of 2.06 x 105 J in a distance of 638 m. How much force did the car's engine deliver to produce this acceleration.
Suppose that a particle accelerator is used to move two beams of particles in opposite directions, what is the magnitude of the average current in this region
an aluminum rod has a resistance of 1.234 4 at 20.0degc. the rod is cooled down to 20 c. and at that temperature it is
carmela and desi leave their physics classroom separately and travel west. they both start from rest.desi leaves first
it has been suggested that rotating cylinders about 10 mi long and 5.0 mi in diameter be placed in space and used as
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
How long would it take a 750W electric heating plate to bring one liter of water to boil from 20 degrees celcius? If energy costs $0.15/kWhr, how much does it cost to boil the water?
What voltage V_AC should an electron be accelerated during if the maximum energy photon it produces is to promote a hydrogen atom from the n=1 to the n=4 energy level?
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