Calculate final velocity change using energy conservations
Using energy conservations, how would your calculated final velocity change if you threw a ball off a building straight downward at the same speed as you threw it upward? Explain/give an example.
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The spring-loaded launcher makes an angles of 45 degree with the lower edge of the inclined plane.The goal is to get the ball in a small hole at the opposite corner of the inclined plane. With what initial velocity should you launch the ball to ac
A block of mass 2kg and another 6kg are connected by massless string over a pulley in a shape of a disk with radius 0.38m and a mass of 4kg. I addition, the blocks are allowed to move on a fixed block wedge of angle 46 degress. The coefficient of
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The distance between 2 telephone poles is 50.0 m. When a 1.00 kg bird lands on the telephone wire, midway between the poles, the wire sags 0.200 m. (a) Draw a free-body diagram of the bird. (b) How much tension does the bird produce in the wire? I
A police car traveling at 101.7 km/h is traveling west, chasing a motorist traveling at 77.0 km/h. What is the velocity of the motorist relative to the police car?
How many electrons must be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 72.0 N?
If the speedboat travels 58.4 km/h, in what direction should it head? Express the direction as a compass bearing with respect to due north.
A) what are the x and y components of the velocity of the ball 3.20 s after it leaves the cannon? B) What are the x and y components of the displacement of the arrow during the 3.20 s interval?
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