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An 8.57 kg block slides with an initial speed of 1.60 m/s up a ramp inclined at an angle of 27.8 degrees with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.69. Use energy conservation to find the distance the block slides before coming to rest.
One of the most powerful cranes in the world operates in Switzerland. If it takes 1.00 min to lift the load at constant velocity to this height, find the power developed by the crane
A cylindrical pulley with a uniform solid disk shape has a radius of 10.0cm and a mass of 0.80kg. At this point, what total percentage of the kinetic energy does the pulley have
If linear momentum is conserved when there is no external force applied, how is angular momentum conserved
at 22m from a sound source, the intensity level is 52dB. A: what is the level at distance of 60 B: what is the level at distance of 216m
A 4 kilogram block of ice is removed from a freezer where its temperature was maintained at ? 20 degrees Celsius. How much heat does the ice absorb as it is warmed to ? 10 degrees? (The specific heat capacity of ice is 2,000 joules per kilogram de..
A photon with a wavelength of 3.90×10?13 m strikes a deuteron, splitting it into a proton and a neutron. Calculate the kinetic energy released in this interaction
The star Alpha goes supernova. Ten years later and 80 ly away, as measured by astronomers in the galaxy, star Beta explodes. what is the time between the explosions
A 20.0 kg wood ball hangs from a 1.70 m-long wire. The maximum tension the wire can withstand without breaking is 500 N. What is the largest speed this projectile can have without causing the cable to break
A long hollow cylinder has an inside radius a, an outside radius band is uniformly charged with a uniform charge density ρ. What is the electric field as a function of radius r? Includeanswers for r b.
How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 22.0°C and 1.00 atm, What is the average kinetic energy of the helium atoms
A standard 35mm slide measures 24mm by 36mm. Suppose aslide projector produces a 60cm by 90cm image of the slide on a screen. What is the distance between the slide and the screen
A 0.50-kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. What is the total energy of the system
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