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On a frictionless, horizontal air table, puck A (with mass0.250 kg) is moving toward puck B (with mass 0.330 kg),which is initially at rest. After the collision, puck Ahas a velocity of 0.120 m/s to the left, and puck B has avelocity of 0.830 m/s to the right.
a) What was the speed of puck Abefore the collision?b) Calculate the change in the total kinetic energy of the systemthat occurs during the collision.
A playground merry-go-round has a radius of 3.0 m and a rotational inertia of 600 kg·m^2. find the final magnitude of the carousel's angular velocity
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The hot reservoir of a heat engine is steam at 100?C while the cold reservoir is ice at 0?C. In 1.2hrof operation, 11kg of steam condenses, What is the power output of the heat engine
Charges q1=+2.20 × 10-5 C and q2=-2.40 × 10-4 C are placed at rest 66.5 cm apart. How much work must be done by an outside agent to move these charges
A moving particle encounters an external electric field that decreases its kinetic energy from 8650 eV to 6910 eV as the particle moves from position A to position B. The electric potential at A is -56.5 V, and the electric potential at B is +28.1..
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 56.1° and 48.5°, respectively
although they dont have mass photons-traveling at the speed of light-have momentum. space travel experts have thought
In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.19 106 m/s. Find the centripetal acceleration of the electron
A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0m/s , Find the vertical component (Fy) of the average force on the ball
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
A car entering a freeway ramp accelerates from 14 m/s to 25 m/s in 10 seconds. what is the cars average acceleration during this 10 seconds.
An oil production well produces from a formation that is 10 ft thick and has a permeability to oil of 50 millidarcies. The well produces only oil. Estimate the steady state production rate in bbl/day, assuming that the pressure (P) at the effective d..
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