Question 2 (1 point) A 4 kg ball is released from rest at the top of a trackland reaches a speed of 10 m/s at the bottom. How much potential energy did it have at the top of the hill (assuming no energy was lost)? O a 2.2J 40J 300 200 Question 3 (1 point)

Q: A 1.3 kgkg book is lying on a 0.80 mm -high table. You pick it up and place it on a bookshelf 2.2 mm…

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Q: The figure below shows a plot of potential energy U versus position x of a 0.200 kg particle that…

A: Given mass of the particle = 0.200 kguA = 10Juc = 20JuD= 24JuB = 12 J     ⇔ K.E = 4Ja) Initial…

Q: A child of mass m = 23 kg slides down a slide of height h = 2.7 m without friction. Let…

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Q: A particle of mass 6 kg is constrained to move along the trajectory y(x) = -8 x2 + 49 (m).  If the…

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Q: Find the work done in joules by gravity as an object of the mass m=11 kg is raised up at constant…

A: Potential energy is defined as U=mgh Here m is mass, h is height and g is gravitational acceleration…

Q: . A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the block…

A: Mass of block, m = 80 kg To find: Potential energy of the block relative to,  (a) the floor.  (b)…

Q: How much work is done against the gravitational force on a 25.0-kg suitcase when it is carried from…

A: Given: Mass of the suitcase (m) = 25 kg Height carried (h) = 380 m acceleration due to gravity (g) =…

Q: A 8.0kg box slides down a 2.0m long surface that is inclined at 53° below the horizontal. The…

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Q: An 80-N crate slides with constant speed a distance of 5.0 m downward along a rough slope that makes…

A: Given that---- force F = 80 N. Distance travel d = 5 m. Angle = 35°. Question ❓ work done by…

Q: A particle of mass 6 kg is constrained to move along the trajectory y(x) = -5 x2 + 10 (m).  If the…

A: Given trajectory:     y(x)=-5x2+10 (m)∴dy=-10x      _______(1) Force: F=7 N  (constant) Displacement…

Q: A roller coaster cart of mass ?=600kg is initially at position 1, and moves, first to position 2,…

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Q: The steps of a flight of stairs are 20.0 cm high (vertically).If a 62.0-kg person stands with both…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

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Q: An object with mass ? = 2 ?? is released from rest at a height ℎ = 6 ? from the top of an inclined…

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Q: A 100-g Frisbee is thrown at a speed of 5.5 m/s, 1.3 m above the ground. The Frisbee has a potential…

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Q: A 2-kg cannon ball has a potential energy PE of 6400 J at a point X above the ground. What will its…

A: Given data:     Mass, m = 2 kg      Potential energy, PE = 6400 J

Q: Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy.…

A: Whether the total amount of energy at the top is equal to the total amount of energy at the bottom…

Q: A roller coaster cart of mass m = 241 kg starts stationary at point A, where h1 = 39.4 m and a while…

A: The potential energy of the car at A relative to the ground is given by, UA=mgh1

Q: A block of mass 20 kg is pushed up against a spring of spring constant 1200 N/m compressing it 50 cm…

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Q: A student throws a ball upwards from the ground level where gravitational potential energy is zero.…

A: Given  AT Height of h1= 15 m the upward moving ball has a  Potential energy U1 = 60J Kinetic energy…

Q: Rene, whose mass is 85 kg, skis down the hill, passing point Z with a kinetic energy of 9 700 J. If…

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Q: In order to get the cart from Point (1) to Point (2), a 3000.0 W motor was used to pull the 25.0 kg…

A: Solution: given that m = 25 kg motor  power = 3000 W

Q: an 8 kg block is released from rest with v1= 0m/s. The block moves down a distance of 1.6 meters on…

A: mass = 8 kg initial speed = 0 m/s distance along the incline = 1.6 m angle of incline = 40 degree…

Q: A car of weight 100 kg. To what height should it be raised so that potential energy is 1230 J? Take…

A: Given  Mass (m) = 100 kg  Potential energy (PE) = 1230 J    Gravitational Potential energy is given…

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

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Q: "A 4.00-kg box of fruit slides 8.0 m down a ramp, inclined at 30.0e from the horizontal. If the box…

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Q: (a) What is the final speed of the roller coaster shown if it starts from rest at the top of the…

A: (a)   From the energy conservation, the final speed of the roller coaster can be calculated as,

Q: A horizontal spring with a spring constant k = 126 kN/m is relaxed from an extension x = 9.3 cm back…

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Q: A body of mass 20 kg is lifted up through a height of 4 m. How much work is done? (take g = 9.81…

A: Given data,                    Mass, m = 20 kg                   height lifted, h = 4 m         Only…

Q: complete with camping equipment, has a mass of 85 kg In exactly 1.5 h, she climbs from an elevation…

A: Given mass = 85 kg Time t = 1.5 hr Height h1= 2700 m Height h2 = 3800 m

Q: A 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

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Q: Find the work done in joules by gravity as an object of the mass m-8 kg is raised up at constant…

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Q: A tennis ball of mass m = 0.075 kg is thrown straight up with an initial speed v0 = 11 m/s. Let the…

A: Given data The mass of the ball is given as m = 0.075 kg. The initial speed of the ball is v0 = 11…

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

A: Given: Mass of bicyclist, m=98 kg Speed of bicyclist at bottom, u=15 m/s Speed of bicyclist at top…

Q: A man starts at ground level and carries a 20 kg box up a flight of stairs to a height of 3.6 m. He…

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Q: The Pine Mountain Ski Jump in Michigan is an artificial ski jump and is one of the highest in the…

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Q: For saving energy, bicycling and walking are far more efficient means of transportation than is…

A: Egas = 1.3 x 108 J/gal 1 kcal = 4186 J Vb = 11 mi/h Eb = 400 kcal = 400 x 4186 = 1.67 x 106 J Vw = 3…

Q: (2 18. A toy roller coaster is shown in the diagram. A 1.5kg trolley leaves point A and travels…

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Q: A basketball of mass 0.0400 kg is dropped from a height of 5.00 m to the ground and bounces back to…

A: The mass of the basketball, m=0.040 kg   The initial height, ∆h=5.0 m   The final height, ∆h'=3.0 m

Q: body of mass 1 kg is thrown upwards with a velocity 20 m s−1. It momentarily comes to rest after…

A: According to Bartleby policy we can only answer the first question at a time. Kindly upload rest of…

Q: An 80-N crate slides with constant speed a distance of 5.0 m downward along a rough slope that makes…

A: Data given :  The weight of crate (mg) = 80 N Distance traveled along a rough slope (d) = 5 m Angle…

Q: Find the work done in joules by gravity as an object of the mass m 5 kg is raised up at constant…

A: Mass of object m = 5 kg Initial height h1 = 26 m Final height h2 = 69 m g = 10 m/s²

Q: Name: A person's heart and head are 1.3 m and 1.8 m above the feet, repectively. Determine the…

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Q: The figure shows a plot of potential energy U versus position x of a 0.260 kg particle that can…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: A 500-g block is released from the top of a 30° incline and slides 160 cm to the bottom. A constant…

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Q: A 20.0-kg child descends a slide 1.90 m high and reaches the bottom with a speed of 1.35 m/s . a)…

A: As we know, Kinetic energy (KE) = 1/2 mv2  --------(1) where m is the mass of a child and v is…

Q: A child of mass m = 29 kg slides down a slide of height h = 2.4 m without friction. Let…

A: Given: The mass of the child is 29 kg. The initial height of the child from the ground is 2.4 m.