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A 1.0 kg book initially at rest falls from a height of 1.5 mto the floor. Use conversation of mechanical energy to show algebraically(no numbers other than 1/2) that the final speed of the bookdepends upon the change in gravitational potential energy, and sois independent of choice of coordinate system origin.
What is a stopping distance
A bullet is fired through a board 8.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
The density of a 3.0-m long rod can be described by the linear density function ?(x) = 105 g/m + 10.9x g/m2. Determine the center-of-mass coordinate
a glass lens has a scratch-resistant plastic coating on it. the speed of light in the glass is 0.607c and the speed of
A small boat is moving at a velocity of 3.35 m/s while it is accelerated by a river current perpendicular to the initial direction of motion. If current acceleration is 0.750 m/s^2, what will the new velocity of the boat be after 33.5 s.
a small ball bearing is illuminated with blue light from an argon ion laser (4880 A.) What is the diameter of the ball bearing
The Hubble Space Telescope orbits Earth 601 km above Earth's surface. What is the period of the telescope's orbit
a rubber raft of mass 3m floats past a dock at 1 msec toward the east. a girl of mass 2m runs down the dock and jumps
A resistor with 790? is connected to the plates of a charged capacitor with capacitance 4.26?F, What is the electrical power dissipated in the resistor just after the connection is made
You are asked to design a spring thatwill give a 1050kg satellite a speed of 2.00 m/s relative to anorbiting space shuttle. What must the force constant of the spring be
A proton accelerates from rest in a uniform electricfield of 670 N/C. At some later instant,its speed is 1.60 X106 m/s(nonrelativistic, because v is much less than the speed of light). Find the acceleration of the proton.
A bungee jumper has a mass of 68 kg. If he jumps off a bridge that is 200. m high and uses a bungee cord that is 75 m long with a spring constant of 20. N/m
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