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A meter-long stick is balanced vertically on the ground. It is then made to fall with a gentle nudge. What is the speed of the end of the stick as it hits the floor? Assume the end on the floor does not slip. Treat the stick as a "thin rod".
if r 12 cm m 370 g and m 40 g below find the speed of the block after it has descended 50 cm starting from rest.
A 1.2-cm-tall object is located 4.8cm to the left of a converging lens with a focal length of 5.8cm. Find the size of the final image
A 0.218 kg ball is released from rest at the top of a 56.9 m tall building. Calculate the de Broglie wavelength of the ball
The line between the center of the goal and the player makes a 90o angle relative to his path as shown in the figure. What angle must the puck's velocity make relative to the player (in his frame of reference) to hit the center of the goal in degree..
a microscope for viewing blood cells has an objective with a focal length of 0.50 cm and an eyepiece with a focal
A blacksmith drops a 500 g iron horseshoe into a bucket containing 25 kg of water. what is the equilibrium temperature of the system
an antelope moving with constant acceleration covers the distance 66.0m between two points in time 6.80s. its speed as
Think about the Earth and Mars in their orbit around the Sun. Where is the center of mass located for this three body system? It is closer to the Earth, than it is to either the Sun or Mars. It is closer to Mars, than it is to either the Earth or the..
A ball of mass m = 1.9 kg is released from a height of h = 2 m into a tank of water. At a time of t = 1.13 s after striking the surface of the water, the ball's velocity has decreased by 50%. What is the magnitude of the average force the ball exp..
A cannon ball is shot straight upward with a velocity of 77.50 m/s. What is the maximum height attained by the cannon ball
Suppose an object is placed 6 cm in front of a lens that has a focal length of 4 cm. Where is the image located? What are the magnification and the character of the image
During a severe storm in Palm Beach, Fla., on January 2, 1999, 33 inches of rain fell in a period of nine hours. estimate the average upward force exerted by one square meter of ground to stop the falling raindrops during the storm
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