The work done by an external force to move a charge from point A to point B is 15x10^4J. If the charge was started from rest and had of kinetic energy 4.82x10 KJ when it reached point B, what must be the potential difference between A and B? How far apart is

Q: Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3…

A: Given Data: Constant Force F=25 N Mass of object M=2 kg Duration of force t=3 sec

Q: For how long would a 68 kg athlete have to swim at a fast crawl to use all the energy available in a…

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Q: A fire is lit in a hot air balloon, causing 100 J of heat to flow into the air in the balloon.…

A: The change in internal energy is given by, ∆U=Q-W

Q: A crate of fruit with a mass of 31.0 kg and a specific heat capacity of 3600j/(kgxk) slides 8.40m…

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Q: A woman fires a rifle with barrel length of 0.6200 m. Let (0, 0) be where the 150 g bullet begins to…

A: To calculate the work done by the gas on the bullet, we need to integrate the force over the…

Q: Rocky spends all the afternoon hours watching sports on cable TV. In the process, he does 1118 J of…

A: Rocky spends all the afternoon hours watching sports on cable TV. In the process, he does 1118 J of…

Q: Give an explanation of how food energy (calories) can be viewed as molecular potential energy…

A: Given: Food energy can be viewed as molecular potential energy is discussed below.

Q: A weightlifter curls a 28 kg bar, raising it each time a distance of 0.55 m.  How many times must…

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Q: A 75-g bullet is fired from a rifle having a barrel 0.580 m long. Choose the origin to be at the…

A: Mass of the bullet , m = 75 gm = 0.075 kg  Rifle barrel , x = 0.580 m F(x) = 16000 + 10000x -…

Q: A 150-g bullet is fired from a rifle having a barrel 0.660 m long. Choose the origin to be at the…

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Q: A 78.0-kg sky diver jumped out of an airplane at an altitude of 0.900 km. She opened her parachute…

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Q: An object with a large surface area has a mass of 20kg, and falls freely under gravity from a height…

A: Given: The mass of the object is 20 kg. The initial height of the object from the ground is 25 m.…

Q: The kinetic and potential energy of an object as it moves along the x axis is represented by the…

A: Given:  Energy vs distance graph is given:  From x = 0 m to x = 100 m, Work done on the object = 3…

Q: To dramatize the loss of energy in an automobile when it stops, consider a car having a weight of…

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Q: A 1700 kg Buick moving at 83 km/h brakes to a stop, at uniform deceleration and without skidding,…

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Q: coefficient of kinetic friction 1s 0.4, and the crate is pulled 5.0 m. (a) How much work is done by…

A: Given: Mass of crate, m=10.0Kg  Initial speed, vi=1.5m/s Pulling force, F=100N Inclined angle with…

Q: the work done by

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Q: During running, you lost 4.0×104 J of heat, and your internal energy also decreased by 1.6×105 J.…

A: Change in Internal energy, ∆U=-1.6×105J Heat lost, Q=-4.0×104J

Q: A medium-sized banana provides about 105 Calories of energy. (a) Convert 105 Cal to joules. ?J…

A: Energy = 105 caloriesE = 105 * 4.18 JoulesE = 438.9 Joules

Q: The nutritional calorie (Calorie) is equivalent to 1 kcal. Onepound of body fat is equivalent to…

A: Given: 1 nutritional calorie = 1kcal 1 pound of fat = 4.1x103 nutritional calories amount of…

Q: If you drop a piece of ice on a hard surface, the energy of impact will melt some of the ice. The…

A: (a)The heat energy required to melt the given mass of ice is given by the product of its mass and…

Q: Shouldn't delta T be a negative value since Tf - Ti  = 50C - 110C = - 60C, so the work done would be…

A: yes indeed! work will be negative.so change in temperature is negative and temperature is negative.

Q: A person can generate about 300 W of power on a treadmill. The treadmill is inclined at 2.80∘ and an…

A: Solution: Given Values, Total power output(P1) = 300 W mass (m) = 85 kg Theta = 2.8 degree Speed(v)…

Q: The Joule (J) and calorie (cal) are both units of energy. In the U.S., the energy provided by food…

A: From the question, it is given that- 1 Nutritional calories = 1 kcal  385 kJ of energy per 275.0 mL…

Q: A weightlifter curls a 35 kg bar, raising it each time a distance of 0.60 m. How many times must he…

A: A slice of pizza contains 1260 J. A fraction of this energy can be used as work and the remaining is…

Q: At Niagara Falls, if 505 kg of water falls a distance of 50.0 m, what is the increase in internal…

A: Given Information:- Mass of the water m=505 kg Height of the water falls is h=50.0 m   Required:-…

Q: A weightlifter curls a 26 kg bar, raising it each time a distance of 0.65 m . How many times must he…

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Q: (a) How much work is done when you push a crate horizontally with 150 N across a 20 m school floor?…

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Q: A 46-kg woman eats a 522 Calorie (522 kcal) jelly doughnut for breakfast. (a) How many joules of…

A: Given: mass of woman, m = 46 kg doughnut jelly energy, E= 522 calorie To Find: (a) Joule of energy…

Q: An ideal heat engine operates between 177 degree C and 27 degree C. If the engine takes 5*1000000 J…

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Q: Frozen waste from airplane toilets has sometimes been accidentally ejected at high altitude.…

A: Given,

Q: When one gallon of gasoline is burned in a car engine, 1.19 x 108 J of internal energy is released.…

A: given, When one gallon of gasoline is burned in a car engine, 1.19 x 108 J of internal energy is…

Q: Situation 2: A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s.…

A: Concept: Given: Mass of Crate (m)=10 kgInitial Speed= 1.50 m/sPulling Force =100 NInclination Angle…

Q: Similar to the previous problem, we heat about a cup (230 g) of milk (we'll treat it like water,…

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Q: A student spends part of his day walking between classes, during which time he expends energy at an…

A: Power and Energy relationship: Mathematically, Power= WorkTime  i.e in simple terms, Power is rate…

Q: Problem 4: Energy that is not utilized for work or heat transfer in the human body is converted to…

A: