A climber climbs a summit of height 400 m in 60 min. If the climber is 80 kg, what is the average power generated by the climber? O A) 217.8 W O B) 5227 w O C) 0.314 MW O D) 87.1 W O E) None of them

Q: A sailor pulls her boat along a dock using a rope at an angle of 25° with the horizontal. How much…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: A force of magnitude 25 N directed at an angle of 54° above the horizontal moves a 12-kg crate along…

A: Given data:  Force (F) = 25 N Angle (θ) = 54°  above the horizontal Displacement (d) = 15 m…

Q: 2. Calculate the work done on an object as illustrated by the graph below. FORCE (N) 16 12 4 O -4 -8…

A: Work done is a scalar quantity which is defined as product of force and displacement. That too…

Q: • You apply a constant force F = (-68.0 N)î + (36.0 N)î to a 380-kg car as the car travels 48.0 m in…

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Q: A car of mass 1078 kg moves up a mountain road with the help of a nonconservative force that does…

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Q: 75.0kg firefighter climbs a flight of stairs 28.0 m high. How Much work does he do?

A:

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: The answer is below

Q: You push a supermarket cart 17 m at constant speed on level ground, against a 20.7N frictional…

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Q: 12.09 F=4.8N Benjamin Button carries a 200-N suitcase up three flights of stairs (a height of 10.0…

A: work done = force x displacement

Q: A log is pushed 2 m by a 5 N force. The opposing frictional force is 0.53 N. How much work is done…

A: Work: The work done by any force is the product of the force with the displacement of the object.…

Q: Question 24 A student's backpack weighs 8.0 N. The students lifts the backpack from the floor to a…

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Q: (-4) 2.0 How much work does the force F(æ) N do on a particle as it moves from x = 2 m to x = 9 m? W

A:

Q: (27.0 m )i - (24.0 m j along a straight ):-( A floating ice block is pushed through a displacement d…

A: Given, A floating ice block is pushed through a displacement, d→ = 27.0 mi^ - 24.0 m j^ the force on…

Q: 9. A car of mass 1550 kg traveling at 27.0 m/s is at the foot of a hill that rises 110 m in 2.60 km.…

A: Average power is defined as the ratio of total work done by the body to the total time taken by the…

Q: If the potential energy of a 1450-kg boulder increases by 18 500 J, how high was it lifted? * O 1.23…

A:

Q: 52. A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.00 m above…

A: The expression for the initial mechanical energy of the ball is,

Q: 3. A block attached to a spring, as shown in the Figure, starts at rest with the spring unextended…

A: The work done by the spring will be equal to the potential energy of the spring when it is stretched…

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 11.7 kg sled starts from rest at the top of a hill that is inclined at 29.3 degrees to the…

A: Given data as per question mass of sled =  11.7kg angle made with horizontal   =  29.3 distance  =…

Q: Match associated items - A. B. C. D. E.…

A: Terms given in left column : Power Physics unit of energy Physics unit of power Potential energy…

Q: Calculate the power output (in J/s) of a 500-g spider as it walks up a windowpane at 2.3 cm/s. The…

A: The power can be expressed as the ratio of the work done by the object to the time for which the…

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 mouse of mass 30.0 g falls 130 m down a vertical mine shaft and lands at the bottom with a speed…

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Q: how much work are you doing?

A:

Q: On a table rest 6 books of mass 0.27 kg and thickness 3.8 cm. How much work does it take to stack…

A: Number of books = 6Mass of each book = 0.27 kg Thickness of each book = 3.8 cm = 0.038 m

Q: Starting from rest a 65.0-kg65.0-kg skier skis down a slope 8.00×102 m8.00×102 m long that has an…

A: Frictional forces are non-conservative forces which depends upon the path. Potential energy is the…

Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…

A: The work done by the gravity on the child can be given as

Q: 4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ? A 12.5 W…

A: GIVEN  mass of a person (m)=49 kg distance(d)=5m time=20 sec work done=(force)(displacement) here…

Q: A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at…

A:

Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…

A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ

Q: 11. An airplane passenger carries a 215 newton suitcase up stairs, a displacement of 4.20 meters…

A: Work done is given by dot product of force and displacement.  Since, force is acting upwards.…

Q: 15. Refer to the graph below. Calculate the total work done from t = 0.00m to t 8.00 m F (N) 12 10 8…

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Q: 35. A gardener pushes a lawnmower through a distance of 20m. If he applies a force of 196N in a…

A: Work done is equal to the product of force and the displacement along the direction of applied…

Q: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A: Given The mass of the man is m=95 kg. The height of the stairs is h=20 m. The time is taken by the…

Q: 8. A student does 300. joules of work pushing a cart 3.0 meters due east and then does 400. joules…

A: When a force is applied to an object and it causes a displacement of that object then it is said…

Q: A force of 1300 lb compresses a spring from its natural length of 18 in. to a length of 10 in. How…

A: Given Applied force is F=1300 lb Compression of the spring in the first case is ∆x1=18-10 in=8 in…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2264…

A: (A) Total energy available per second

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…

A:

Q: A 300-g object slides 80 cm in a straight line along a horizontal tabletop. How much work is done in…

A:

Q: A man pushes a 15 kg box from rest to a speed of v, doing 200 J of work in the process. During this…

A: Work = FS  F = Work/S = 200/6 = 33.33 N  Now , a = F/m = 33.33/ 15 = 2.22 m/s^2 Now,  by  V^2 =…

Q: Achok lifts a 12.5 kg rock and places it above a 2.40 m shelf. How much work does Achok do? O 294.3…

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Q: 10.0 m + 8.0 m A 2.4 kg flower pot is on a shelf 10.0 meters above the floor. How much work was done…

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Q: 1. In a training, you are doing a vertical climb using a rope to lift yourself by 5.0 m in 2 s. If…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 8.1. What is the work done by a force of 20 N acting through a parallel distance of 8 m? What force…

A: The work done by a force is   W=Fd      =(20 N)(8 m)=160 J

Q: How much power is required to raise a 30-kg crate a vertical distance of 6m in a time of 4 seconds?…

A: The potential energy of a body is given by PE = mgh, where m = the mass of the body g = acceleration…

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: A person pulls a crate 43.6 meters along a horizontal floor by a constant force 116.5 N, which acts…

A: