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A 68.0 kilogram man throws a 0.0440 kilogram snowball forward with a ground speed of 29.0 m/s. A second man, with a mass of 59.0 kilogram, catches the snowball. Both people are on skates. The first man is initially moving forward with a speed of 2.30 m/s, and the second man is initially at rest. Determine the velocities of the two people after the snowball is exchanged? Disregard the friction between the ice and the skates.
thrower m/s
catcher m/s
Two children are playing on a balanced seesaw. One child with a mass of 40 kg sits 1.6 m from the center. Where on the other side must the second child sit
The four tires of an automobile are inflated to a gauge pressure of 1.7 105 Pa. Determine the weight of the automobile
The accumulator is to supply 10,000 in3 of oil to the piston at a maximum pressure of 400 psig and a minimum pressure of 300 psig. Find the size of the accumulator
A mass m slides without friction on a 1-dimensional track. The mass is moving from left to right with initial velocity v0. Determine the position where the mass will come to rest
An object placed 14.9 cm from a concave mirror produces a real image 12.3 cm from the mirror. where is the new image located as measured from the mirror
What is the work done by the centripetal force on an object with a mass of 2 kg moving with a constant velocity of 3 m/s into a circular path of radius 0.5 m for one full cycle?
A pitcher claims he can throw a 0.159-kg baseball with as much momentum as a 3.30-g bullet moving with a speed of 1.50 103 m/s. What must the baseball's speed be if the pitcher's claim is valid
A grindstone with radius 0.65m starts from rest and rotates counter-clockwise through 3 rev at which point its angular speed is 25 rad/s
The electric field between the plates of a paper-separated capacitor is 8.18×104 . The plates are 1.90 apart, and the charge on each plate is 0.750. Determine the area of each plate
Incident light of wavelength 400nm elite electrons having a maximum kinetic energy of 1.0ev from a material. a) what is the work function of the material in ev ? b) over what wavelength range of incident light will electrons be emitted from the mater..
An observer detects two explosions, one that occurs near her at a certain time and another that occurs 2.00 ms later 100 km away. Another observer finds that the two explosions occur at the, same place. What time interval separates the explosions to ..
The largest fusion bomb ever detonated (called the Tsar Bomba) was tested by the Soviet Union in 1961. How many kilograms of matter were converted to energy
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