Assume the trampoline is a simple spring that obeys Hooke's law with a k value of 12 000 N/m and the reference height is  0 m when the trampoline is not stretched. When Sumo pushes with his legs against the trampoline.  The trampoline stretches another 8 cm down. c) What is the Total Energy at this location? d) Using your results for total energy find the average force exerted by the sumo's leg muscles.

Q: Situation 1: When a 4.00-kg object is hung vertically on a certain light spring that obeys Hooke's…

A: Given, mass m=4 kgdisplacement x= 2.5 cm= 2.5×10-2 m

Q: 3 KIPP:SCIENCE HNOLOGY, ENGINEERING 5 min | Exit Ticket 34 35 36 37 A bicycle rider is traveling up…

A: The objective of the question is to understand the relationship between potential energy and kinetic…

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A: Given, total mass of loaded cart is, m=50kg Force applied on it, F=120N And work done,…

Q: A child on a sled (m = 47.0 kg) slides down a long hill starting from a rest position at a point…

A:

Q: You are using a rope to lift a 14.5 kgkg crate of fruit. Initially you are lifting the crate at…

A: given:-      mass of crate of fruit = 14.5 kg    Initial velocity of crate (u) = 0.500 m/s  Tension…

Q: The force constant of a spring is 2.5*10^3 N/m. a.) how much work does gravity do when it pulls the…

A:

Q: ow many forces are applied to the car? Please list their names. Do these forces do work? Why? Please…

A: Given:- The mass of the roller coaster car m = 1000 kg   The height of point 1  is h = 60 m  The…

Q: A 18 kg crate is being pushed 7.6 m across a level floor by a 92 N horizontal force. The μk between…

A: Applied force = 92 N distance moved = 7.6 m Frictional force = 0.35 * weight Frictional force = 0.35…

Q: You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it…

A: Given, The kinetic energy of the object, K The maximum height achieved by the object, h

Q: A 7.5-kg otter slides down a mud bank, starting from rest at the top. The sloping surface of the…

A:

Q: 12. Desperado, a roller coaster built in Nevada, has a vertical drop of 75.8 m. The roller coaster…

A: The vertical distance traveled by the roller coaster is, The final velocity of the roller coaster…

Q: A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21…

A: d) normal force  N = mg - Fsin21° = (32×9.8)-(57×Sin21°)  N = 293.17 N  Now friction force  f = ukN…

Q: A box having a mass of 4 kg moves up to point B with an initial velocity 7 m/s at point A on an…

A: According to conservation of energy  Total energy of isolated system remains constant.  Initial…

Q: A 1,000kg roller-coaster car rested at point 1 of height y=60m and started to slide down along a…

A: The given system is of an object moving along a track. Since the track is smooth forces due to…

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A:

Q: Hooke's law describes an ideal spring. Many real springs are better described by the restoring force…

A:

Q: ww A A 6-kg block moves in a smooth vertical slot as shown. A spring having an undeformed length of…

A: Given: The mass of the block is m=6 kg. The un-deformed length of spring is xd=0.50 m. The distance…

Q: A box m = 81 kg is being pulled by a constant force F = 199 N at an angle of θ = 18 degrees. The…

A:

Q: A student builds a roller coaster as shown. The heights of the points are A= 3.3 m B= 1.4 m C= 0 m.…

A:

Q: A trunk of mass m = 2.0 kg is pushed a distance d = 158 cm up an incline with an angl of inclination…

A:

Q: Use the following scenario for questions 4 - 5. A cart with a mass of 7.0 kilograms is attached to a…

A:

Q: I Review A 0.33 kg pendulum bob is attached to a string 1.2 m long. You may want to review (Pages…

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Q: A grocery cart with a mass of 10 kg is being pushed at constant speed up a 25° ramp by a force Fp…

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Q: A block of mass 2.28 kg starts sliding from rest down an incline plane for 25 cm. If the block has a…

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Q: tied to a body is pulled, causing the body to accelerate. But A rope according to Newton's third…

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Q: I Review i Consta An ideal spring stores potential energy Uo when it is compressed a distance ¤o…

A: When a spring is compressed , the spring tries to oppose that force and as long as the compressed…

Q: A 61.5-kg hiker starts at an elevation of 1200 m and climbs to the top of a peak 2750 m high. ▼ Part…

A: The mass of the hiker is 61.5 kg.The initial height is 1200 m.The final height is 2750 m.

Q: A rubber band has mass m = 0.30 g and a spring constant k = 15 N.m1.I stretch it by 5.0 cm (which in…

A:

Q: A 196-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 47.5 °…

A:

Q: A crate with mass m = 33.3 kg being pushed up an incline that makes an angle φ = 22.7 degrees with…

A: Free body diagram :

Q: The drawing shows a section of the track that a roller coaster car follows at an amusement park. The…

A: Given  Points  B , D and F are at same height  say 'h'  Let kinetic energy at point B be KB and…

Q: a spring has a spring constant k of 140n/m. a 150 g block is placed against the spring and…

A: Spring constant of the spring (k) = 140 N/m Mass of the spring (m)=150gm=0.150 kg Compression in…

Q: A spring is used to launch a box along the frictionless track shown below. The spring constant is…

A:

Q: A 70.5-kg hiker starts at an elevation of 1260 m and climbs to the top of a peak 2800 m high.…

A:

Q: A 3-kg block has a speed of v=9 m/s  at point O as it travels along a rough incline OA with μk=0.25.…

A: We need to apply in ∆rlOBAsinθ=ABOAOA = ABsinθOA = 2sin(200)=5.84m

Q: A 2-kg block is dropped from a height of 1.5 m above the end of a vertical uncompressed spring, the…

A:

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

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Q: A 20-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 kN/m). The…

A:

Q: The 3.5-lb collar is released from rest at A and slides freely down the inclined rod. If the spring…

A: Given: Let us consider point B of reference for the measurement of vertical distance. Converting all…

Q: a.) A student is riding a bicycle at a constant speed of 6.0 m/s on a level road. The mass of the…

A: (a) Given- Speed v=  6.0 m/s  Force F = 35 N The student's output power is…

Q: A small block of mass 200 g starts at rest at A and slides along a curved frictionless track surface…

A:

Q: Problem 4 In the Figure below, a 2.5 kg block slides head on into a spring with a spring constant of…

A: Given: m= 2.5 kg spring constant k = 320 N/m x = 7.5 cm = 0.075 m μk = 0.25

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.