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A hockey puck is given an initial speed of 5.0m/s. The coefficient of Kinetic friction between the puck and the ice is 0.05.
(a) Draw a free body diagram and use Newton's laws and kinematics to find how far the puck slides before coming to a stop.
(b) Use the law of Conservation of Energy to find how far the puck slides before coming to a stop?
A flat observation screen is placed at a distance of 4.5 m from a pair of slits. The separation on the screen between the central bright fringe and the first-order bright fringe is 0.043 m. Determine the slit separation
A flight attendant pulls her 73 N flight bag a distance of 245 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 54° above the horizontal.
Suppose the steel alloy is used for an automobile axle that rotates at an average rotational velocity of 600 revolution per minute (RPM). What is the highest lifetime of continuous driving that are allowable at stress level of 310-MPa.
An open container holds ice of mass 0.595kg at a temperature of -13.5 celcius . The mass of the container can be ignored. How much time passes before the ice starts to melt
How many electrons would need to be transferred in order to balance these two forces?
A 71 kg parent and a 19 kg child meet at the center of an ice rink. They place their hands together and push. what is the magnitude of the parent's acceleration
A stone is dropped into a river from a bridge at a height h above the water. Another stone is thrown vertically down at a time t after the first is dropped. Both stones strike the water at the same time. What is the initial speed of the second sto..
A piece of lead [c = 128 J/(kg·C°)] is heated from 18.0° C to 31.0° C. The same amount of heat is added to a piece of copper [c = 387 J/(kg·C°)]. Determine the final temperature Tf of the copper
One side of the roof of a building slopes up at 42.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child.
An archer wishes to shoot an arrow at a target at eye level a distance of 56.5 m away. what angle should the arrow make with the horizontal
A charged conducting sphere of radius 18 cm has 1012 electrons removed from its surface. What is the surface charge density of the sphere
How many protons are in the beam traveling close to the speed of light in the Tevatron at Fermilab
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