You want to drop a ball of weight 10.0 N into free fall from rest from a certain height above the floor so that the ball hits the floor with a kinetic energy of 10.0 J. At what height in centimeters should you drop the ball?   a. 100   b. 10

Q: A cannonball with mass 20 kg is fired from a cannon sitting at the top of a 30-m tall hill. The…

A: Formula of initial kinetic energy is as follows: Ki=12mu2…

Q: A 1.8 kg book has been dropped from the top of the football stadium. Its speed is 4.8 m/s when it is…

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Q: A 1.0 kg baseball is flying at 10 m/s. How much kinetic energy does it have? Potential energy? a. 10…

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Q: An accelerating object of mass m=2 kg is fired with an initial speed v=8 m/s at a starting point. If…

A: Given data: Mass m =2 kg Velocity v=8 m/s2. Final Kinetic energy =268 J

Q: A 2.00-kg ball has zero potential and kinetic energy. Maria drops the ball into a 10.0-m-deep well.…

A: From, the conservation of energy,

Q: A woman stands on the edge of a cliff and throws a stone vertically downward with an initial speed…

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Q: 1. A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ? use…

A: Given that,Mass of bird : m = 5.5 (kg)Height on which bir flying : h =12 (m)Here we need to find the…

Q: A 1.0 kg baseball is flying at 10 m/s. How much kinetic energy does it have? Potential energy?  a.…

A: Given, Mass, M= 1kg, and velocity, v= 10 m/s.

Q: A 5.5 kg bird is flying 12 m above the ground. What is the Potential energy of the bird is…

A: Mass of bird (m) = 5.5 kg Height of bird above ground (h) = 12 m g = 9.8 ms2

Q: y-4 m/s h2.18m An 84 kg snowboarder is coming down the hill and takes off from a jump. At one point…

A: mass of snowboarder is m = 84 kg The snowboarder is at a height of 2.18 m above the ground.…

Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ?  use g…

A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…

Q: Luke Autbeloe stands on the edge of a roof throws a ball downward. It strikes the ground with 100 J…

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Q: A force is acting on a 2.00 kg particle whose position changes with time as x = 4.0 t - (1/3) tº,…

A: Mass of particle is m=2 kg Position of particle as a function of time is xt=4t2-1/3t3; here x is in…

Q: An accelerating object of mass m=17 kg is fired with an initial speed v-8 m/s at a starting point.…

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Q: A car is moving with a kinetic energy of 80 J and is slowed down and stopped in a distance of 0.05…

A: Given data The kinetic energy of the car is KEi = 80 J. The final velocity of the car is zero as it…

Q: Starting from rest, a ball of mass 3 kg experiences a constant force of 12 N. What is the final…

A: Using Newton's second law of motion, the acceleration of the ball can be obtained as…

Q: A huge cruiser with a mass of 6.50x107 kg has a velocity of 12 m/s in a instant. A. What is the…

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Q: On a horizontal surface, a crate with mass 50.0 kg is placed against a spring that stores 360 J of…

A: The Work-Energy Theorem states that the net work done by the forces on object is equal to the change…

Q: An accelerating object of mass m=12 kg is fired with an initial speed v;-5 m/s at a starting point.…

A: Given: The mass of the body is 12 kg. The initial velocity of the object is 5 m/s. The final kinetic…

Q: Karen lifts a 10.0 kg box up from the ground to a height of 1.50 meters. He then lowers the box to…

A: Mass of the box m = 10.0 kg Initial height hi = 1.50 m Final height hf = 0.630 m

Q: Dr. B is bouncing a 0.245 kg playground ball in his office one day. He drops the ball from a height…

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Q: The figure shows a block of mass 10 Kg. Determine what work will be done by the force F that will…

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Q: 2.00-kg ball has zero kinetic and potential energy. Ernie drops the ball into a 10.0-m-deep well.…

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Q: A block of mass 2.0 kg is moving to the left and changes its speed from 1.0 m/s to 3.0 m/s. Match…

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Q: An accelerating object of mass m=14 kg is fired with an initial speed v-2 m/s at a starting point.…

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Q: A 150 g baseball is thrown straight up.  If it is released at a height of 1.0 m above the ground…

A: Given data:  Mass of ball (m) = 150 g = 0.150 kg Initial height (h0) = 1.0 m Initial kinetic energy…

Q: 1.2-kg mass is projected from ground level with a velocity of 30 m/s at some unknown angle above the…

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Q: A 5.0-kg rock is dropped, initially at rest, from a 6.0-m-high second-story window. What will be the…

A: Given: The mass of the object is 5 kg. The height of the object from the ground is 6 m. The initial…

Q: 2. A seagull is trying to eat a 5.8 kg crab it picked up from the beach and it needs to break the…

A: Given data: The mass of crab is m=5.8 kg. The kinetic energy is KE=12.5 J.