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Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2.
(a) What angle does the ramp make with respect to the horizontal?
(b) If the ramp has a length of 6.00 m, how long does it take the puck to reach the bottom?
(c) Now suppose the mass of the puck is doubled. What's the puck's new acceleration down the ramp?
The nucleus of platinum is a uniformly charged sphere with a chargeof 78e and a radius of 7.00 x 10^-15 What is the electric potential energy of an incident proton arriving at the nuclear surface
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The magnitude of a magnetic field a distance 2.0 um from a wire is 11.0*10^4 T. How much current is flowing through the wire
The length of a simple pendulum is 0.79 m, and the mass of the bob at the end of the cord is 0.24 kg. What is the angular frequency of the motion
Basketball player Darrell Griffith is on record as attaining a standing vertical jump of 1.2 m. What is his speed as he leaves the floor
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. (a) At what angle ? is the rock thrown? (b) In terms of its original range R, what is the range Rmax the rock can at..
Illustrate how much ice must melt in order to cool the hot water down to this temperature?
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.502, How much force is needed to keep the book moving at constant speed once it begins moving
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. calculate the number of lines per centimeter on the grating
A closely wound rectangular coil of 80 turns has dimensions 25 rm cm by 40 rm cm. The plane of the coil is rotated from a position in which it makes an angle of 37 degrees with a magnetic field of 1.10 rm T to a position perpendicular to the field..
Consider a balloon being filled up with oxygen. You have approximately 30 moles of oxygen gas in this balloon with volume 1.3m3, what is the temperature of the molecules
A long solenoid has 1400 turns per meter of length, and it carries a current of 3.5 A. Find the torque exerted on the coil
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