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A 1 kg ball is attached to a 2 m long piece of very light string and suspended in such a way that it can freely swing and it passes just above the ground. A 2 kg block is placed on the ground so that the 1 kg block will collide with it when the cord is horizontal, as shown below. The coefficient of kinetic friction between the block and the ground is .1 A) Calculate the angle from the vertical at which the 1 kg ball must be raised so that, when the two masses collide elastically, the 2 kg block will travel 6 meters before stopping. B) If the 1kg ball is raised so that the cord is horizontal, and the two masses collide elastically after it is released , completely describe the motion of the two masses after the 1 kg ball is released.
The first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t..
A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
The tropical year, the time from vernal equinox to the next vernal equinox, Find the number of seconds in one half of a tropical year
A loudspeaker of mass 20.00 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.50 {rm m}.
In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is initially at rest. What was the speed of the cue ball prior to the collision
What's the moxt orbital angular momentum that could be added to an atomic electron initially in the 6d state, What would be the new state
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
what is the potential difference between the plates. A particular freely falling object requires 1.85 s to travel the last 31.0 m before it hits the ground. From what height above the ground did it fall.
A laser emits a light beam with a power of 5 mW. How many photons per second does this laser emit
If the bullet leaves the gun at a speed of 280 m/s, by how much will it miss the target? Illustrate at what angle should the gun be aimed so as to hit the target?
A parallel plate capacitor has plates that measure 13.5 cm long by 9.75 cm wide. The plates are separated by a distance of 2.75 mm, What is the capacitance in the capacitor
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