In the ski jump event at the Winter Olympics, skiers jump from a ramp on the top of a 90 m tall hill. If a skier has a mass of 60 kg and lunches of the ramp at 20 m/s. At this point calculate the skiers potential energy, kinetic energy and mechanical energy

Q: A skier goes down a hill and passes point A with a velocity of 10m/s. Calculate the speed of the…

A: Given Initial speed of the skier at point A is va=10 m/s Height of point A is given as ha=50 m…

Q: As shown in the figure, a toddler slides down a frictionless slide. H h The bottom of the slide is a…

A: Therefore  H=(h+4hd2​).Explanation:

Q: A 1 kg block (block A) is released from rest at the top of a 20 m long frictionless ramp that is 5 m…

A:

Q: A box of apples of mass 22kg slides 2.5m down a ramp inclined at 44 degrees to the horizontal. The…

A: Given  Mass, m = 22 kg  Slides , L = 2.5 m  Inclined plane of 43 degree  Friction force ,Fr = 79 N…

Q: A 30.6 kg child starts from rest at the top and slides down a slide that is 1.68m high. At the…

A: Mass(m) =30 kg  Height(h) =1.68m  Speed at bottom (vf)=2.29 m/s  Speed at top (vi)=0 m/s  His…

Q: A batter hit a 0.145kg baseball straight upward with an initial speed of 25.0m/s. Use the…

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Q: A 0.173-kg ball is thrown upward with an initial speed of 24 m/s, Calculate the gravitational…

A: At maximum height kinetic energy is equal to potential energy. Therefore, gravational Potential…

Q: A 2 kg rock is thrown upward, with a speed of 5 m/s and returns to the same spot, with the same…

A: Give Mass m = 2 kg Initial velocity is U = 5 m/s in upward direction.  Final velocity is V = 5 m/s…

Q: 130 kg ball is sliding along a homemade roller coaster at a height of 90 cm and with a speed of 0.35…

A:

Q: A 70 kg kid skates down a quarter pipe and exits at 12.9 m/s.  Gravity is 10.0 m/s2. Calculate the…

A: Given that, Mass = 70 kg Speed 12.9 m/s Lost energy = 1401 J

Q: A 98 kg bicyclist traveling 15 m/s coasts up a 5 m high incline. After reaching the top of the…

A:

Q: The gravitational potential calculation was larger than the direct measurement based on velocity.…

A: The total energy of the system is always conserved so the central concept behind the concept is not…

Q: A skier of mass 89kg starts from rest at the top of the hill that is inclined 35 degrees with…

A: Given angle is 35 degree coefficient of kinetic friction- 0,25 Hill height=50 meter

Q: A 4000 kg roller coaster train full of riders approaches the loading dock at a speed of 12 m/s. It…

A:

Q: Determine the speed of 74-kg Vinco after skiing down the hill to a height which is 43 meters below…

A: Given data: Mass of Vinco, m=74 kg Distance travelled down from the starting location, S=43 m

Q: A mass is launched with speed Vo up a ramp that is an angle of e with the horizontal. There is a…

A: Using conservation of energy during the upward motion…

Q: -What is the kinetic energy of a 3000 lb automobile which is moving at 30 mi/h?

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Q: What is kinetic energy (KE)? What is potential energy (PE)? Discuss their similarities and…

A: Kinetic energy is a category of energy used under the context of dynamics of motion. The energy…

Q: Ms. Dewitte's son, Theo, slides down a slide, from rest, with a length of 2.00 m at an incline of…

A: The height of the slide from the ground is, h = (length of slide)sin50° = 2sin50° = 1.53m Assuming…

Q: Melinda is pushing a chair along a 5 meter straight path through her living room. She is standing,…

A:

Q: A man claiming a mountain carrying a bag with mass 7.5 kg, after 30 min he reach 8.2 m height from…

A: Given data *The mass of the bag is m = 7.5 kg *The given time is t = 30 min *The height from the…

Q: A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N…

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Q: A sprinter with a mass of 55 kg is running at a speed of 3.8 m/s. In a burst of speed to win the…

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Q: A 2.0 kg rock is released from rest at a height 0f 20.0 m. Ignore air resistance and determine the…

A: Given:-  The mass of the rock is m = 20 kg  The height of the rock at which it is released from rest…

Q: 8. A bicyclist is stopped at the entrance to a valley, as sketched below: Where would the bicyclist…

A: