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- A 5.0 kg cannonball dropped from a cliff hit the ground at a velocity of 70 m/s. What was the height of the cliff? Question 15 options: 14 m 350 m 250 m 12,250 mA 12kg box is released from the top of the incline that is 5m long and makes an angle of 40 degrees to the horizontal. A 60 N friction force impedes the motion of the box. What will be the acceleration of the box and how long will it take to reach the bottom of the incline?A rock is thrown upward with an initial speed of 18 m/s on Planet X, which has an acceleration due to gravity of 4.5 m/s2. There is no atmosphere on Planet X. a) How long does the rock take to reach its apex?
- A block is sliding along a frictionless surface at 19.1 m/s. The block slides down a hill. At the bottom of the hill, the block is sliding at 37.1 m/s. How tall (in meters) is the hill?5. A golf ball is hit from a 20m high cliff with a velocity of 22.7m/s at 27.2° above the horizontal. Neglect air friction. Calculate the ball's maximum height above the cliff and the horizontal distance traveled at the time the ball reached its maximum height.The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed of the object is 27 m/s, what distance will it slide before coming to a stop?
- A block is sliding along a frictionless surface at 11.1 m/s. The block slides down a hill. At the bottom of the hill, the block is sliding at 36.5 m/s. How tall (in meters) is the hill?A 1,865.66 kg car at rest at the top of a hill 20 m high is given a nudge and begins to roll down the hill. It rolls up a 8.39 m hill on the other side. How fast is it moving as it tops the lower hill?The muzzle velocity of a typical 500 g spud is 25 m/s . The force given by the spud is K/(x+.09) where x is the distance of the barrel in meters. If the length of the barrel is 75 cm, what is the constant K? What is the force on the spud?
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