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A ball is thrown toward a cliff of height h with a speed of 31m/s and an angle of 60 degrees above horizontal. It lands on the edge of the cliff 3.7s later. How high is the cliff? What was the maximum height of the ball? What is the ball's impact speed?
A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?
A ship travels 155 km from the port on a course of 35 degrees south of west to an island, then it travels 142 km east of south to a second island, Find the displacement from the starting point to the ending point
Consider a small car of mass 1188 kg and a large sport utility vehicle (SUV) of mass 4360 kg. Find the speed of the small car
A horizontal aluminum rod 4.8 cm in diameter projects 5.6 cm from a wall. A 1200 kg object is suspended from the end of the rod. Find the vertical deflection of the end of the rod
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
Two charged spheres are 8.45 cm apart. They are moved and the force on each of them is found to have been tripled. How far apart are they now.
Find out the minimum horizontal velocity magnitude of the acceleration of the blocks
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.13 m2, what is the percentage lost by the window
The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force, calculate the radius of the circular path on which the particle would move if it were a..
The international space station is orbiting at an altitud of 370km above earth's surface. The mass of the earth is 6x10^24kg, Assuming a circualr orbit, whit is the orbital speed of the space station
Three charges, +q, +2q, and +4q, are linked by strings (Assume that the middle charge is fixed in space and the other 2 charges are held there by the tension alone.)
A 89.3-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.53 rad/s. Find the angular velocity of the platform with its load
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