Catching a wave, a 77-kg surfer starts with a speed of 1.1 m/s, drops through a height of 1.70 m, and ends with a speed of 8.2 m/s Part A How much nonconservative work was done on the surfer? Express your answer using two significant figures.

Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…

A: Work done by boy W= mgh Given that m= 5kg  h= 0.7m

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A: a)The required work done is,

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Q: A pump is required to lift 800 kg (about 200 gallons) of water per minute from a well 10 meters deep…

A: Power= (force× distance)/time P = mgh/t 1HP = 745.7 watt Potential energy = mgh Where, m = mass h =…

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Q: please answer all the parts, and double and triple check your answers, previous tutors got it wrong

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Q: In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

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Q: A man lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. a. How much work…

A: a) The work done is given by,

Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…

A: Given Mass of boy is 40kg Mass if bag is 5000g or 5 kg Total mass is 40+5 = 45 kg

Q: A box of mass 20kg is raised to a height of 30m? a. How much work is done on the box? b. If it…

A:

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A:

Q: A car with mass of 1143 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ignore air resistance. The…

A: The given values are, m=1143 kgvi=0vf=40.0 m/st=10.0 sEmech=22.0%W=0.22W

Q: Catching a wave, a 77-kg surfer starts with a speed of 1.0 m/s, drops through a height of 1.50 m ,…

A: To solve the problem we will use the work-energy principle. If ∆E is the change in total energy of…

Q: Starting at rest at the edge of a swimming pool, a 72.0kg athlete swims along the surface of the…

A:

Q: A B A student builds a roller coaster as shown. The heights of the points are A= 2.1 m B= 0.9 m C= 0…

A: Given the stone is released from the point A with height hA = 2.1 m so the initial velocity is zero…

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Q: 10. A machine is used to move a 700 N object by 2.00 m by exerting 400 N of force through a distance…

A:

Q: A 69.7-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then…

A: We have givenMass of boy = 69.7 kg Initial speed (u)= 1.60 m/s  Droping  height (h)= 1.64 mFinal…

Q: 1- An 18,000g object is accelerated at 2m / s', if the object is displaced 40m. What is the work…

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A: Kinetic frictional force is,

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Q: A rubber ballI, with a mass of 40.0 grams is dropped from rest from a height of 1.20 m above the…

A: Given: Mass of ball, m=40.0 g Height above which the ball is at rest, y=1.20 m Maximum renounced…

Q: Suzie Lavtaski (m=56 kg) is skiing at Bluebird Mountain. She is moving at 16 m/s across the crest of…

A: Part A:Total Mechanical Energy = 12mv2+mgh =12(56)(16)2+56×9.81×34 = 25846.24 J

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A: Given: θ=4om = 85 kgd =180 m

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Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…

A: Since all the questions are different, as per Bartleby guidelines only 1st one can be answered at a…

Q: A 150 g baseball is thrown straight up.  If it is released at a height of 1.0 m above the ground…

A: Given data:  Mass of ball (m) = 150 g = 0.150 kg Initial height (h0) = 1.0 m Initial kinetic energy…

Q: 11. (1) A small 35g toy rocket is launched straight up from the ground at 108 km/h (a) What is the…

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