0 Pablemes 95kg Energy A Cal. PE, KE and velocity of the basl at points B and C 25m 13 12 m L 5m

Q: During a workout, a person repeatedly lifts a 16-lb bar- bell through a distance of 1.1 ft. How many…

A:

Q: How long does a 65 kg adult need to walk at a rate of 5 km/h in order to burn off all the energy in…

A: Given Metabolic power for walking at  5 km/h is W=380 W Each slice of pizza contains energy of…

Q: A spherical soap bubble with a surface-tension of 0.005 lbf/ft is expanded from a diameter of 0.5 in…

A:

Q: The energy stored in a foot of snow on a steep roof is ________. a. potential energy b. kinetic…

A: Kinetic energy is defined as an energy from which is powering matter of any type of motion. This…

Q: A small 142 gram (0.142 kg) pinewood derby car sits at the top of a 1.20 meter high sloped…

A: SOlution: Given that m = 0.142 kg h = 1.2 m energy loss = 5% of its energy

Q: A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while…

A: A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while…

Q: A person running in place on an exercise machine for 10 min uses up 17 kcal (food calories). Another…

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Q: thermal Our body contains potential energy from food we have eaten. kinetic This potential energy is…

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Q: The box of a well-known breakfast cereal states that one ounce of the cereal contains 103 Calories…

A: The unit of energy can be converted from kilocalories to joule by multiplying with 4186 .   The…

Q: A hockey puck with a mass of 0.171kg slides over the ice. The puck initially slides with a speed of…

A: Given:  mass, m = 0.171 kg  initial velocity, u = 5.95 m/s  final velocity, v = 2.35 m/s

Q: You do more work lifting an object if the object is a bigger. b warmer. c harder. d heavier. Check…

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Q: A worker drives a 0.500 kg spike into a rail tie with a 2.50 ksledgehammer. The hammer hits the…

A: The expression for kinetic energy (KE) KE = 12× Mass (m) × {speed (v)}2

Q: A light bulb has 75% efficiency. How much energy is wasted if the useful output energy of the bulb…

A: Given data: Efficiency η=75% The output energy of the bulb =24J

Q: You are offered a portable fan by an inventor that is more efficient than those sold in department…

A: Input power, Pi=20 WDischarge rate of mass, m˙=0.25 kg/sVelocity, v=8 m/s

Q: How much energy does a 7kg box have if it is at a height of 5m? O 233 J O 123 J O 343 J O 453 J

A: Given Data: The mass of box is m = 7 kg. The height of box is h = 5 m. When a body is placed above…

Q: Calculate the kinetic energy in joules of a 76 kg traveling at 6.28 m/s.

A: Given data :                       Mass  =  m                       Velocity  =  V          To find…

Q: I drop a 60 g golf ball from 2m high. It rebounds to 1.5m. How much energy is lost?

A: Given that  mass m 60 g height h 2m Question? How much energy is lost?

Q: While running, a person dissipates about 0.60 J ofmechanical energy per step per kilogram of body…

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Q: How many sprints from rest to a speed of 5.0 m/s would a 65-kg man have to complete to burn off 5.0…

A: Given The intial velocity of a man is u=0. The final velocity of a man is v=5 m/s. The mass of the…

Q: Q1. 1 Jis the energy required to doof work. O 1N O 1J O 9.8 N O 98 J

A: From Energy conservation:   Work Done = Potential Energy

Q: On average, how much energy do humans radiate each second?

A: If we assume that total energy emitted by human is in form of heat then total heat emitted per…

Q: You store your basketball on the 2 meter high shelf. The ball falls and bounces up to a height of…

A: Given data: Initial height (hi) = 2 m Final height (hf) = 1.5 m Required: The percentage loss in the…

Q: the

A: Given:- Source energy in philippines.

Q: A 5-gm bullet is propelled by a powder charge producing 500 Cal of usable energy. What is the bullet…

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Q: A 3.5 kg rock is at the top of a 37 m cliff. How much energy does the rock have? Your answer: O 130J…

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Q: A 3.5 kg rock is at the top of a 37 m cliff. What type of energy is being described? Your answer: O…

A: Answer will be gravitational  potential energy.

Q: If you run down some stairs and stop, what happens to your kinetic energy and your initial…

A: In the absence of dissipative forces, the total mechanical energy of closed system remains…

Q: Stanley does 176 Joules of work lifting himself 0.30 m. What is Stan’s mass?

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Q: How much power does a swimmer produce if she transforms 2.4 kJ of chemical energy (in food) to…

A: Given data:  Energy (E) = 2.4 kJ Time (t) = 12.5 s Required: Power (P)

Q: A car with mass of 1138 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ingnore air resistance. The…

A: Solution:   Given Values, Mass (m)=1138 Kginitial velocity(u)=0 m/sfinal velocity(v)=40…

Q: started fast walking for half an hour each day in an effort to lose weight. Judy curren

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Q: You plant o eat 9.1kcal of hot fudge sundae and then run up several flights of stairs to work off…

A: Given that, Amount planted, E = 9.1 kcal Mass, m = 38 kg We need to find the height climbed by the…

Q: Your home electricity bill for this 30-day month is $84. The rate is 15 cents per kilowatt-hour. How…

A: Solution: Given that Electricity bill for month (30 days) = $84  rate is 15 cents per kilowatt-hour

Q: A girl weighing 470 N, holds suspended on the end of a rope 8 meters long. What will be her gain in…

A: Given data: The weight of the girl, W=470 N. The length of the rope, l=8 m. The angle made by the…

Q: While running, a person dissipates about 0.600 J of chemical energy to mechanical energy per step…

A:

Q: The energy dissipated when a car hits a tree at 70 miles per hour is ABOUT how much greater than…

A: Let the mass of the car is 1 Kg. Where, m = mass of the car v = velocity of car

Q: A 137.6-kilogram object was pushed from rest to a speed of v meters per second, doing 21446.4 joules…

A: Here, the force used to push the car can be obtained as W=F×d21446.4J=F×1.4mF=15318.86N

Q: Q1. 1 Jis the energy required to do of work. O 1N O 1J O 9.8 N O 98 J

A:

Q: 8) A person consumes a snack containing 14 food calories (14 kcal). What is the power this food…

A: We have a food that is consumed containing an energy of E=14 cal=14×4.186=58.604 J which is to be…

Q: Choose the wrong statement, Kinetic energy Select one: O a. thermal energy another example of…

A: Given : Choose the wrong statement, Kinetic energy Select one: a.thermal energy another example of…

Q: Water flows over a waterfall that is 20.0 m high at the rate of 4.0 x 104 kg/s. If this water powers…

A: Solution: Given: 1 MW = 106 W h = height of waterfall = 20.0 m g = gravitational acceleration = 9.81…

Q: 95. As a dropped penny falls toward the ground, converted to energy is energy. * a. kinetic,…

A: When an object falls from  height then in that case its Potential energy gets converted in the…

Q: A book on a 3 meter high shelf has 17 joules of potential energy.what is the mass of the book 30kg…

A:

Q: A particular car does work at the rate of about 7.0 k J/swhen traveling at a steady 21.8 m/s  along…

A: Given:The rate of doing work is W=7 kJ/s  The velocity is v=21.8 m/s The distance d=17 km the volume…

Q: A 1.5-hp blender spends how much energy in 2 minutes? O 3J O 0.75 J O 2,250 J O 135,000 J None of…

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Q: The United States Patent and Trademark Office rejects claims for perpetual motion machines (in which…

A: According to the first law of thermodynamics, part of heat supplied to a system is used for…

Q: A 17.0 kg object was let go down an incline that is 3.50 m high. The object reaches the bottom of…

A: In the question , given the value of mass of object , height and speed of object and we have to find…