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Q: Can you help me?

A: a)at A temperature is 300 K,at A, the number of moles is

Q: If an object's speed is increased to 2 times its original speed, the object's kinetic energy will…

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Q: A container with a mass of 5.1 kg is lifted to a height of 8 m and then returned back to the ground…

A: Solution: A container is lifted to height h and then returned back to ground level. How much work is…

Q: Calculate the dot product between the following vectors a) A=i-2j+5k and B=-3i+2j+2k b) A=-3i+j+2k…

A: (a) Let A and B denote the two vectors, and C denote the dot product of the two vectors. Therefore,…

Q: Suppose the electric field in some region is found to be E(s, Ø.2) = ks’§ where k is a constant. (a)…

A: Concept used: Maxwell equation is used to calculate volume charge density. Gauss law is used to…

Q: Exercise 2.3. Consider a cylinder of radius R with polarization P = free charge. Calculate the…

A: I have use the concept of free charge that

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: If you push against an immovable object, such as a brick wall, you may tire yourself out, but you…

A: When we apply some force (F) on an object and it gets displaced (d) then work done on the object is…

Q: According to the work-energy principle, the NET work on a system causes: an increase in the kinetic…

A: Work Energy theorem state that Total work done by conservative, non conservative and pseudo forces…

Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: A stone is dropped from a height of 20 m. At what height is half of its energy potential and half…

A: The initial height of object is Find:The height at which half of object's energy is potential and…

Q: 16. A 170 pound man wants to design a workout (on a treadmill) that will expend 300 kcal. He wants…

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Q: A student who weighs 552 N climbs a stairway (vertical height of 3.5 m) in 20 s. (a) How much work…

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Q: Say I lift a box from the ground straight up to 1m in 2s. If I lift the same box from the ground but…

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Q: 1. Tom, the cat, is chasing Jerry, the mouse. Jerry runs past Tom at 10.00 m/s. At the same time…

A: Data We have velocity of jerry ,v=10m/s acceleration of tom ,a=3.00m/s2

Q: How much work must be done to stop a 1300-kg car traveling at 112 km/h? (Hint: You will need to…

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Q: How much work is required to throw a ball with a mass of 0.46 kg 33.1 m/s? Assume the ball starts at…

A: Given Mass of ball = 0.46 kg Initial velocity of ball = 0 m/s Final velocity of ball = 33.1 m/s We…

Q: This problem deals with the RC circuit shown here, containing a resistor (R ohms), a capacitor (C…

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Q: What is the ratio of the Force required to hold a spring at 4m past its natural length to the Force…

A: Force on a spring is given as where k is the spring constant, x is the spring stretch or…

Q: How much work is done by a table as it holds up a 3.8 kg cat? O OJ O 3.8J O 37J O The answer depends…

A: Given Mass m of cat = 3.8 kg gravitation acceleration g = 9.8 m/s2

Q: A student who weighs 543 N climbs a stairway (vertical height of 4.2 m) in 24 s. (a) How much work…

A: Given: weight of student, W = 543 N  vertical height, h = 4.2 m  time taken to climb, t = 24 s

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.