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A 8 g bullet has a speed of 180 m/s and embeds itself into a 500 g block. The block is initially at rest sitting on a rough surface which has a coefficient of kinetic friction equal to 0.4.
A. What is the speed of the block after the collision?
B. What fraction of the initial kinetic energy of the bullet remains after the collision?
C. How far does the block slide after the collision before coming to rest?
The horsepower rating commonly used for engines indicates the rate at which they can do work. What amount of work does the engine do on each cycle
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If an amount of heat equal to magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change DeltaT.
the first-order line of 571 nm light falling on a diffraction grating is observed at a 17.9 deg angle, at what angle will the third order be observed
What is the volume flow rate through the smaller pipe? answer in m^3/ second.
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 car with mass 1000kg traveling east at 25 (m/s) runs straight into a truck with mass 1500kg traveling west at 10 (m/s). How far do the vehicles slide
A system of 1402 particles, each of which is either an electron or a proton, What is the mass of this system
A square plate of copper with 54.0 cm sides has no net charge and is placed in a region of uniform electric field of 84.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate
What is the frequency of the waves?
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 0.786m apart, such that intensity level at one point is 1.72 dB greater than that at the other.
A block of wood of mass 4.85 kg rests on a horizontal frictionless surface. find the velocity of the wood after the bullet has passed through
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