An ordinary light bulb consumes 40 W of power. Through what height could a 1000-N object be lifted expending the same amount of power for 6 hours?   Group of answer choices: 360 m 860 m 720 m 650 m 430 m

Q: A child pulls on a wagon with a horizontal force of 75N. If the wagon moves horizontally a total of…

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Q: s of a Y-stick and a light leather cup containing a stone. The cup is pulled back against two…

A: GivenF=15 Nx=-1.0 cm=-0.01 mTwo bandsMass of stone, m=50 g=0.05 kgPulled back againx'=-0.2 m

Q: A 67 kg yak has an average power output of 200 W. How long can a yak climb a 3km high mountain?…

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Q: An electric motor is rated to have a maximum power output of 0.83 hp. If this motor is being used to…

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Q: omputation. QO A 10-kg block is pushed a distance d up an inclined plane by a horizontal force of…

A: Calculate the work done by the gravity force on the block.  Acceleration due to gravity is, g = 9.81…

Q: What is the average power supplied by a 60 kg person running up a flight of stairs a vertical…

A: The person's average powerP=WtW is work donet is the time.Work done, W=FdF is the force on the…

Q: kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown…

A: Given: Mass of object (m) = 2.3 kg.

Q: A 83.5 kg man walks up a set of stairs in 11.7 s. The man rises 4.5 m in going up the stairs. What…

A: Write the expression for the work done by the man to climb a set of stairs and substitute the…

Q: A 62.0 kg woman runs up a flight of stairs having a rise of 4.28 m in a time of 4.20 s. What average…

A: Given data: Mass (m) = 62 kgHeight (h) = 4.28 mTime (t) = 4.20sRequired:The average power (P)

Q: A certain automobile having mass 1000 kg climbs an inclined road with a constant 32 m/s speed. If…

A: Mass of the car is m = 1000 kg velocity of the car is is v = 32 m/s Angle of inclination of the road…

Q: A certain rain cloud at an altitude of 1.40 km contains 3.20 107 kg of water vapor. How long would…

A: Altitude of the rain cloud,  Mass of the water vapor,  Power of the pump,  Acceleration due to…

Q: The change in the potential energy of the car is

A: Mass of car m = 5200kg Pulled distance d= 360m Inclined angel Φ = 12° g= 9.8m/s2 Change in potential…

Q: A 60-kg hiker hikes from Yosemite Valley (elevation 1209 m) to Glacier Point (elevation 2199 m).…

A: Given: Mass of the hiker is m =60 kg          Yosemite Valley elevation h1 =  1209 m…

Q: what is the PE of a 4 kg object that is 5 m above the ground?

A: Given data:     The mass of the object is: m = 4 kg The height of the object from ground level is: h…

Q: How much work is required to throw a ball with a mass of 0.27 kg 30.4 m/s? Assume the ball starts…

A: Work done = change in K.E Work done = (K.E)f -(K.E)i                   = 1/2mvf2-1/2mvi2…

Q: A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 100…

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Q: A 1250 kg elevator is carrying passengers of combined mass of 750 kg. As the elevator descends at a…

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Q: How much power will a 260 N student develop if he/she climbs a flight of stairs 12 m from the ground…

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Q: A 600-N Marine ir 10.0-m vertical ro rc

A: Given: Force, F=600 N Distance=10 m time=8 sec

Q: 1=2.5 m/s A 4500 kg truck is stuck at the bottom of a ditch. A winch 30° (small motor attached to a…

A: Final velocity = 2.5 m/s Initial velocity = 0 m/s Mass m = 4500 kg Power = 2.05 kW

Q: When a 101 g mass is has stretched a k-9,75 N/m spring 20.4 cm, how much potential energy has been…

A: Given: Mass is m=101kg. Spring constant k=9.75Nm. Stretch in the spring is ∆x=20.4cm.

Q: gravitational potential energy

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Q: A 57 kg man runs up a flight stair having a rise of 4.5 m in 3.5 s. what average power must he…

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Q: When an 78.8-kg adult uses a spiral staircase to climb to the second floor of his house, his…

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Q: A 50-N force is the only force on a 2-kg crate that starts from rest. Consider the instant the…

A: Write the given values with the suitable variables. F=50 Nm=2 kgu=0 m/sd=2 m Here, F, m, u, and d…

Q: 102 kg man climbs a 3.2 meter high staircase at constant speed. How much work has he done? (=9.8 m/s…

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Q: A 57.7 kg man walks up a set of stairs in 11.6 s. The man rises 4.2 m in going up the stairs. What…

A: Given,  mass of the man , m = 57.7 kg  time , t = 11.6 s height, h = 4.2 m  Power = Worktime The…

Q: a 75.8 kg person runs up a flight of stairs having a rise of 5.3 m in a time of 4.5 s. What average…

A: Given data: Mass (m) = 75.8 kg Height (h) = 5.3 m Time (t) = 4.5 s Required: The average power (P)

Q: When an 85.4-kg adult uses a spiral staircase to climb to the second floor of his house, his…

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Q: An acorn falls from

A: Kinetic energy = (1/2) mv2  Potential energy = mgh

Q: n rain cloud at an altitude of 1.50 km contains 3.20 x 107 kg of water vapor. How long would it take…

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Q: Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the…

A: Solution:-Given thatInitially at rest, initial speed (u)=0final speed (v)=29 m/stime (t)=5.15 smass…

Q: In a dam, water is flowing at the rate of 1400 kg/s and falls from 40 m height. The power is…

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Q: A mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: A rollercoaster with a mass of 3500 kg goes over its first hill with a speed of 15 m/s. The first…

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Q: A certain rain cloud at an altitude of 1.46 km contains 3.20 ✕ 107 kg of water vapor. How long would…

A: Take the surface of the Earth to be zero potential energy point. The work done by the pump must be…

Q: In a simple pendulum, energy is stored by lifting the pendulum some height "h" away from the pull of…

A: solution is given by

Q: An electric motor is rated to have a maximum power output of 0.79 hp. If this motor is being used to…

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Q: A 700 N Marine soldier in basic training course climbs a 10.0 m vertical rope at a constant speed in…

A: Given, Weight of Marine soldier =W=700 N Height of climbing=h=10.0 m Time is taken by the soldier to…

Q: A boy with mass m-50 kg walks up h=2 m high stairs at a constant speed in t=4 s. What is the average…

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Q: A 64.0 kg man, standing on a frictionless walkalator inclined at 0=33.0° below the horizontal, holds…

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Q: A 2.5 kg bowling ball is tied to a 1m long string attached to the ceiling. The ceiling is 5 m above…

A: Mass,m=2.5 kg.

Q: Situation 3: A skier of mass 78.0 kg is pulled up a slope by a motor-driven cable. 21. How much work…

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