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Two soccer players start from rest,48m a part. they run directly toward each other, both players accelerating. the first player acceleration has a magnitudeof 0.50m/second square.the second player acceleration has a magnitude of 0.30m/second square. (a)how much time passes before the players collide? (b) at the instant they collide, how far has the first player run?
Visitors at a science museum are invited to sit in a chair to right of a full-length diverging lens (f1 = -3.06 m) and observe a friend sitting in a second chair, 1.84m to the left of the lens.
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. How high was the plane when the decoy was released
To measure the static friction coefficient between a 4.33-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 461 N/m) is attached to the block.
An arrow is fired horizontally with a speed of 68. m/s directly at the bulls eye of a target 50 m away. When fired, the arrow is 120-m above the ground. How far short of the target does it strike the ground.
A 52.0 kilogram man jumps from rest off a 10.0 meter high tower straight down into the water. Find the magnitude of average force that water exerts on the diver
Determine how much heat is required to melt a 30 g gold block starting at 20°C? The specific heat of gold is 0.031 cal/g°C. Its melting point is 1064 °C and its latent heat of melting is 15 cal/g
What would be the fundamental frequency on a piece of the same string that is twice as long and has four times the tension
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 290 kg) that is also at rest. Determine the velocity of the second log if the lumberjack comes to rest on it
An automobile of mass 1500 kg and a truck of 3500 kg collide at an intersection. What is the velocity (magnitude and direction) of the vehicles immediately after collision
tennis ball of mass 0.4Kg rebounds from a tennis racquet. What was the force experienced by the tennis racquet during it's time in contact with the ball
Three forces act on an object. A 2 N force acts due east and a 3 N force acts due north. what is the magnitude of the third force
A popular carnival ride consists of a large, round room that rotates fast enough that any person standing against the wall will be stuck there, even as the floor is dropped away from their feet. What is the room's angular speed in rpm
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