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: ohn, of mass 82.4 kg can do work for about 2.0 minutes at the rate of 1.0 hp. How long will it take…

A: Given data: Mass (m) = 82.4 kg Power (P) = 1.0 hp Height (h) = 12.0 m 1 hp = 746 watts Required:…

Q: A 0.153-kg ball is thrown upward with an initial speed of 14 m/s, Calculate the gravitational…

A: gravitational potential energy of the ball at the maximum height is equal to its kinetic energy.…

Q: You push a crate down a ramp at a constant speed. Which of the following decreases: a) the potential…

A: You push a crate down a ramp at a constant speed then the potential energy decreases with constant…

Q: The total energy required to move a 10-N block up a 25-degree incline for 10 meters is 500 Joule. A…

A: We need to calculate the applied force, rate of work done by the force and the initial velocity of…

Q: A 0.157-kg ball is thrown upward with an initial speed of 12 m/s, Calculate the gravitational…

A: Given data :                Mass of the ball , m = 0.157 kg                Initial speed of the ball…

Q: A sled of a mass 30.0 kg is given a kick on a frozen pond,imparting to it an initial speed v…

A: Given Data: The mass is, m = 30.0 kg. The initial speed is, u = 4.0 m/s. The coefficient of kinetic…

Q: If the total mass of the sled and the girl is 25 kg in the coefficient of kinetic friction between…

A:

Q: 7) A 200-g ball thrown vertically up with an initial speed of 20.0 m/s reaches a maximum height of…

A: A ball of mass (m) = 200g = 0.2kg Initial speed of the ball (u)= 20.0 m/sMaximum height  reached (h)…

Q: A bag of wheat weight 300 kg .To what height should it be raised so that potential energy is 9600 J?…

A: Given data :        Mass of the bag  =  m         Potential energy   =  P•E         Acceleration due…

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 kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational…

A: Given quantities: initial velocity of the kid (v) = 0                                           ...(…

Q: A 0.15-kg ball is thrown upward with an initial speed of 26 m/s, Calculate the gravitational…

A: mass of ball = 0.15kg Initial velocity v= 26m/s

Q: A 0.13-kg ball is thrown upward with an initial speed of 12 m/s, Calculate the gravitational…

A: Given, Mass of ball (m) = 0.13 kg Thrown Upward with initial velocity (v)= 12m/s We want to find…

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 monkey carries a coconut of mass 2 kg to a height of 10 m above ground and later releases the…

A: (a) Calculate the potential energy of the monkey. PE = mgh      = 2*9.81*10      = 196.2 J

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…

A:

Q: 3) The world’s highest ski flying hill is Tauplitz/Bad Mitterndorf in Austria. The hill is 197 m of…

A: Given Data Height of the hill is h=197 m Angle of inclination of the hill is θ=35° Coefficient of…

Q: A 12 kg block starts from rest and is pushed 20 meters up the sloping surface of a plane (37 degree…

A: Given:-  mass of the block m= 12 kg  it pushed d=20 meters up the sloping surface of a plane…

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: How much work in the vertical direction is required for a 68 kg cyclist to ride a 10 kg bike 1500…

A: distance travelled along the slope= D=1500 m height attained in this climb= H tan100=HD H=264.5 m

Q: A 2.5 kg piece of wood falls onto a carpenter’s table from a height of 2.0 m above the table. T/I…

A:

Q: At Schlitterbahn, a 75.0 kg person rides a 12.0 m high water slide. If dissipative forces do -6.25 x…

A: Visualize the Problem:

Q: You push a box up an inclined plane at a constant speed As the box moves up the incline, Select one…

A: Required : The potential energy and the kinetic energy of the box.

Q: A 12 kg block starts from rest and is pushed 20 meters up the sloping surface of a plane (37 degree…

A: Work done is given as W=F.s                                                 .......(1) from work…

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: 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: (10%) Problem 1: A boy is pulling his sister in a wagon, as shown in the figure. He exerts a force…

A: Given : F = 49.5 N  θ = 30° d = 31.5 m

Q: At Schlitterbahn, a 75.0 kg person rides a 12.0 m high water slide. If dissipative forces do -6.25 x…

A: Given m=75kg h=12m Ed=-6.25*10^3J To find the velocity at the bottom of the slide :

Q: A 5.4 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.1 cm…

A: Given Data, Mass of the marble (m)=5.4 g Compressed distance (d)=7.1 cm Height of the target (h)=26…

Q: At Schlitterbahn, a 75.0 kg person rides a 12.0 m high water slide. If dissipative forces do -6250 J…

A:

Q: A person pushes a bookshelf across a level room. There is friction between the floor and the…

A: Given data:  A person pushes a bookshelf Required: The work done by friction force on the bookshelf

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: 0.121-kg ball is thrown upward with an initial speed of 18 m/s, Calculate the gravitational…

A: Dear student Tge velocity of ball tge the heighest point will be zero. So the kinetic energy will…

Q: 7. a) Use your energy equations to determine what height will a 0.042 kg baseball rise if it is…

A: a) Use your energy equations to determine what height will a O.042 kgbaseball rise if it is tossed…

Q: A 0.153-kg ball is thrown upward with an initial speed of 14 m/s, Calculate the gravitational…

A: Mass is m= 0.153 kg Initial speed is u = 14 m/s

Q: A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let…

A:

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…

A:

Q: A cat's crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s. Assume…

A: Kinetic energy is the energy acquired by an object due to its motion. It depends on the velocity by…