What average force was exerted on the ball
After falling from rest from a height of 28 m, a 0.46 kg ball rebounds upward, reaching a height of 18 m. If the contact between ball and ground lasted 1.7 ms, what average force was exerted on the ball?
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What is the acceleration of the cannonball just before it hits the balloon?
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The volume of the gas is 201 mL measured at .989 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 23°C = 0.0277 atm.)
Although consumers may be relatively price insensitive toward an innovative product, manufacturers will offer a low price to the distributors and retailers. Why?
A man pulls a 50 kg box at constant speed across the floor with a rope. He applies a 200N force at an angle of 30 degrees. Sum the forces in the x-direction. 1) what is the frictional force opposing the motion? 2) sum the forces in the y-direction
Under these conditions, what would be the effect on the following atomic spectral lines (viz. number of lines and line positions).
Two forces, and , act at a point, as shown in the picture. has a magnitude of 9.00 and is directed at an angle of = 62.0 above the negative x axis in the second quadrant. has a magnitude of 6.40 and is directed at an angle of = 52.4 below the nega
You are the Vice President for Health Services. You have instituted a national search to fill a mid-level management position in your unit, and have appointed a search and screening committee to give you ranked recommendations. The search co
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