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A car starts at the origin and moves with velocityv=(14.7 m/s, northeast). How far from the origin will the car be after traveling for 75.13 s?
A 4.60-kg ball is dropped from a height of 10.0m above one end of a uniform bar that pivots at its center. how high will the ball go after the collision
You're standing in waist-deep water with your eyes 0.44 m above the surface. A fish is swimming 0.55 m below the surface. How far (horizontally) from you is the fish
Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at speed 2v, Find the speed vfinal of the joined cars after the collision
On a workday the average decibel level of a busy street is 74 dB, with 100 cars passing a given point every minute. what is the decibel level of the street
A light spring having a force constant of 139N/m is used to pull a 9.60kg sled on a horizontal ice rink. The coefficient of kinetic friction between the sled and the ice is 0.200. The sled has an acceleration of 2.40m/s^2 . A)Calculate the net upw..
A triangle has its corners located at the points (x,y) = (12.00,15.00), (x,y) = (9.00,8.00) and (x,y) = (0,0). Calculate the area of the triangle
When ultraviolet light with a wavelength of 250 nm is incident on a particular metal surface, What is the threshold frequency for this particular metal
A gasoline engine in a large car takes in 10,500J of heat and delivers 2450J of mechanical work per heat cycle. How much gasoline is burned during each cycle
Your refrigerator has a mass of 124.7 kg, including the food in it. It is standing in the middle of your kitchen, and you need to move it. The coefficients of static and kinetic friction between the fridge
A child is twirling a 0.0165-kg ball on a string in a horizontalcircle whose radius is 0.130 m. The ball travels once around the circle in 0.649 s. (a) Determine the centripetal force acting on the ball. (b) If the speed is doubled, by what factor..
One swimmer in a relay race has a 0.49 s lead and is swimming at a constant speed of 3.97 m/s. the swimmer has 57.7 m to swim before reaching the end of the pool
Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane of 60 degrees and the other is hanging over the top edge of the plane. what is the value of kinetic friction
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