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A 2,000-kg car experiences a braking force of 10,00 N and skid o a stop in 6 seconds. The sd o the car just before the brakes were applied was? 30 m/s? If so, can you please show how you get this answer?
A hydrogen atom emits a photon of wavelength 1283 nm. From what energy orbit to what lower energy orbit did the electron jump
A 5-kilogram block is fastened to a vertical spring that has aspring constant of 1,000 newtons per meter. A 3-kilogram blockrests on top of the 5-kilogram block. the blocks are nw pushed down and released so that they oscillate.
An electron is released from rest at x=0 in a region where the electric field is . Find the speed of the electron when x = 2.5 cm
Compressed air is used to fire a 46 g ball vertically upward from a 2.0-m-tall tube. How high does the ball go above the top of the tube
A square, single turn coil 0.20m on a side is placed with its plane perpendicular to a constant magnetic field. An emf of 18mV is induced in the coil winding as the area of the coil decreases at the rate of 0.10m2/S. What is the magnitude of the m..
A uniform cylindrical satellite has four tangential rockets. mass = 3600, radius = 4.0m, what is the required steady force of each rocket if the satellite is to reach 32 rpm in 5.0 min?
A football is thrown horizontally with an initial velocity of (14.8 m/s)x. Ignoring air resistance, the average acceleration of the football over any period of time is (-9.81 m/s2)y. Calculate the magnitude of the velocity at this time
A point mass, M, is rotated at a distance R about an axis. Ifthe mass is increased to 2M, what is the new moment ofinertia? If the distance R is doubled to 2R, what is the new moment of inertia
Two small beads having positive charges 25q and q are fixed at the opposite ends of a horizontal, insulating rod, extending from the origin (the location of the larger charge) to the point x = d. As in Figure P23.10, a third small charged bead is fre..
A 1.5 kilogram block on a vertical spring with a spring constant of 4.00 x 103 N/m is pushed downward, compressing the spring.15 meter. Find how high does it rise above the point of release
On a frozen pond, a 11.6 kg sled is given a kick that impartsto it an initial speed of vo = 2.15 m/s. find the distance the sled moves before coming to rest
Tritium (3/1 H) is a heavy isoptope of hydrogen, with an atomic mass of 3.016049u. Normal hydrogen has an atomic mass of 1.007825u, find the binding energy per nucleon for titium
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