a 650kg roller coaster starts from rest at he top of a 76 meter tall hill.  What is the speed of the coaster at the bottom of the hill?

Q: 12. Your friend's Frisbee has become stuck 16 m above the ground in a tree. You want to dislodge the…

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Q: A boy rides a bicycle a distance of 10 m, carrying a bag which weighs 50 N. What is the work done on…

A: Force, F = 50 NDisplacement, d = 10 m The work done on the bag will be given by the formula W = F.d…

Q: A 261 kg ball from a demolition machine is propelled sideways until it is 4.83 m above its lowest…

A: Given : Mass of a ball (m) = 261 kg Height (h) = 4.83 m

Q: فيزياء عامة )1( نظري A 25-g ball is released from rest 80m above the surface of Earth. During the…

A: Given: The mass of ball is m=25 g. The height is h=80 m. The energy consumed is E=15 J. The…

Q: A pendulum bob has a speed 3 m/s while passing through its lowest position. What is its speed when…

A: Concept: The Schematic Diagram of the system is given below: Here, L=Length L=0.5 m θ= Angle θ=60…

Q: You drop a ball from a height of 1.9 m , and it bounces back to a height of 1.4 m . What fraction of…

A: height = 1.9 mheight = 1.4 mWhat fraction of its initial energy is lost during the bounce?What is…

Q: A ball with a mass of 0.55 kg roll across the tabletop with a speed of 3.2 m/s. When the ball…

A: SOlution: Given that mass m = 0.55 kg speed v = 3.2 m/s h =1.2 m

Q: A roller coaster at the top of a 65.2m tall hill with a speed of 0 m/s. What is its speed in m/s…

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Q: A package with a mass of 50.0 kg slides down a smooth ramp with negligible friction. The package…

A: Using conservation of energy : initial potential energy = final kinetic energy mgH = (1/2) m (v)2…

Q: 4. A 10.0 kg monkey swings on a vine from a point which is 40.0 m above the jungle floor to a point…

A: Given: Initial height of monkey from ground = 40 m Mass of monkey = 10 kg Final height of monkey…

Q: You toss a 0.150-kg baseball straight upward so that it leaves your hand (from the ground) moving at…

A: Given  Mass of baseball m=0.150 kg Initial velocity u=10m/s Acceleration due to gravity g= -9.8 m/s²…

Q: The mass of a base ball is 1.495lb. Determine its kinetic energy relative to home plate of a 96.65…

A: Given value--- mass = 1.495 lb. speed = 96.65 mile per hour.  We have to find--- kinetic energy…

Q: 11. A roller coaster starts at the top of its track at point A with a speed of 12 m/s. If it reaches…

A: At point A and  B we have to apply conservation of energy principle. Let the reference point be B.…

Q: Suppose a 3.50 g block is dropped from a height of 7.50 m. What is the speed of the block when it…

A: Given  Mass m=3.50 gram Height h=7.5 m Intitial speed u=0

Q: A block slides down a 100m inclined plane. Suppose that the incline is frictionless, what is the…

A: Height of the inclined plane = h = 100 m Speed of the block at the bottom = v = ?

Q: 6. A miniature golf course has a hole in which the fairway is 5.5 m above the green. If you hit the…

A: Solution: Given that h  = 5.5 m to find the speed as it came from the pipe

Q: A frog jumps upward from the ground.  During the jump, he contacts the ground for the initial 2.5cm…

A:

Q: The mass of a baseball is 1.452 lb. Determine its kinetic energy relative to home plate of a 93.87…

A:

Q: In the figure below, a frictionless roller coaster crosses the first hill of height h = 55.5 m with…

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Q: A 10kg blovkc slide down a hill that is 200m fall with an initial speed of 12m/s. a.) what is the…

A: Given: Mass of block, m=10 kg Height of hill, h=200 m Initial speed of block, u=12 m/s   To…

Q: A roller coaster car is approaching the top of a hill with a speed of 7.1 m/s.  The top of the hill…

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Q: a block is sent sliding down a frictionless ramp. Its speeds at points A and B are 2.00 m/s and 2.60…

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Q: A 145 g basketball is dropped from a tree 12.0 m above the ground. with what speed would it hit the…

A:

Q: Mary is coasting on her bike at 12 m/s when she starts down a 500 m long slope that is 30 m high.…

A:

Q: A5.0 kg mass is dropped from a height of 5.0 m what is its speed just as it reaches the ground?

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Q: Earth exerts a gravitational force (F.) on the moon and so the moon moves in a nearly circular orbit…

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Q: The car of a roller coaster starts from rest at a height of 10 m above the ground. If there is no…

A: Given  h = 10 m  Let mass of car is ' m ' . When car will reach at the ground all potential energy…

Q: A car on a roller coaster starts at zero speed at an el ground of 260 m. It coasts down a slope, and…

A: Given: The initial height is h=260 m. The final height is H=100 m. The expression for velocity (v)…

Q: How much work does gravity do on the elevator? How much work does the tension in the elevator cable…

A: Given that, mass of the elevator and upward acceleration of the elevator and distance. Then We have…

Q: Shown below are two frictionless tracks with masses A and B getting ready to traverse the two…

A: Ans: For the frictionless surface the only force acting on the masses A nad B is gravitational…

Q: A skier of 50 kg starts from rest on a hill at a point 40.0 m above the ground below. What is their…

A: Given : mass of the skier, =50 Kg Initial height of the skier, h=40 m gravitational acceleration,…

Q: Mr. Sald and his family takes a rollercoaster ride in a Start (a) fantasy park as shown. What will…

A:

Q: the ramp is 1 meter long and tilted at 5o. The ball has a mass of 30 grams. What is the speed of the…

A:

Q: An 13 kg object is flying at speed 4c/6.  Calculate its kinetic energy, in units of kg c2

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Q: In 1995, Karine Dubouchet of France reached a record speed in downhill skiing. If Dubouchet's mass…

A: The kinetic energy depends on the mass and speed of the object. The kinetic energy is directly…

Q: What could be the kinetic energy of a 0.8kg encyclopedia sitting on top of a table? a. 0 J b. 1 J…

A:

Q: A matchbox car track begins at a height y=1.0, goes down hill to y=0, goes around a vertical loop of…

A:

Q: A 67 kg snowboarder starts at the top of an icy (frictionless) hill with a vertical height of 22 m…

A: height of top(ht)=22m height of middle point(hm)=11m initial speed at top(vi)=15 m/s concept :…

Q: At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at…

A: The law of energy conservation,

Q: A ball has 17J of kinetic energy and its mechanical energy is 25J. a.) Find the gravitational…

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Q: A 5-kg mass mass is projected straight up with a speed of 15 m/s. a. To what height does the mass…

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Q: I need help with this homework problem.

A: As per guidelines, the first three sub-parts have been answered.

Q: A pendulum bob is released from some height such that the speed of the bob at the bottom of the…

A: Given data: Speed of pendulum bob at bottom of swing is, v=4 m/s.

Q: Final Y = (3 m)sin 37° y= 15 ms X-0 K; + , + U + W - K, + g,* y + AEtbem Initial m= 60 kg X- 3,0 m…

A: Mass = 60 kg  Initial compression = 3 m  Final launch speed = 15 m/s

Q: roller coaster starts with a speed of 5.0 m/s at a point 45 m above the bottom of a dip. Neglect…

A: Answer :-  At top of first hill:PE = mgh = mg(45) = 45mgKE = 0.5mv2 = 0.5(m) (5)2.…

Q: Suppose you have a roller coaster cart that is 100 meters above the earth's surface. If the mass of…

A: