Find (a) the energy absorbed as heat and (b) the change in entropy of a 2.78 kg block of copper whose temperature is increased reversibly from 10.1°C to 138°C. The specific heat of copper is 386 J/kg-K.

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A:

Q: You are driving at 25m/s. In order to pass a slow car, you increase your speed to 30m/s. It takes 5…

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Q: What is motion

A: To explain: Motion.

Q: How much force is needed to accelerate a 50 kg skier at 3 m/sec?

A: Write the given values with suitable variables. m=50 kga=3 m/s2 Here, m denotes the mass and a…

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A: Speed of car (u) = 50 kmhr Using conversion factor : 1 km = 1000 m 1 hr = 3600 seconds

Q: Johnny drives on a freeway at a constant speed of 100nmph and in a straight line, what is happening…

A: Acceleration is the rate of change of velocity.

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A: Write the expression for acceleration.

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Q: What is acceleration? Acceleration is a change in over time.

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Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

A: Given value--- acceleration = 4 m/s2.  mass = 6 kg. We have to find--- force ?

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Q: 2,3,1

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Q: 3,1,2

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Q: Six slits in a diffraction grating. A set of waves is spreading out from each of the slits. Six…

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Q: The values below in boxes should be written in scientific notation: 8002 x 107 -10 1000 5 J.…

A: (i) 8002×10-10 m ⇒8002×10-10 m=8.002×103×10-10 m=8.002×10-7 m

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Q: A cyclist, starting from rest, travels in a straight line for 10 minutes. 1. During the first 2.0…

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Q: While Emely was watching a military parade of a group of US Army soldiers, the soldiers caught her…

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Q: What force would be needed to produce an acceleration of 4m/s² in a ball of mass 6 kq ?

A: Given data : Mass is represented by m Acceleration is represented by a   Required : Force

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A: Given data The mass of the person is an object as m = 45 kg.

Q: If the applied force on an object is 30 N and accelerates it at 3 m/s2, what is the mass of the…

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Q: If the acceleration of an object is 6 m/s2, how much does the object’s velocity change each second

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Q: A car is moving on a straight road 8 m/s. It is acceleration at 22 m/s². What will be it's velocity…

A: Given data :                     Acceleration     =     a                    Initial velocity    =…

Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

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Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…

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Q: A car begins from rest and reaches a speed of 20 m/s in 5 seconds. The acceleration of the car is…

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Q: How large of a net force is required to accelerate a 1,592 kg car from rest to a speed of 13.7 m/s…

A: According to Newton's second law F = ma

Q: A bicycle moves from rest to 7.0 m/s in 3.6 seconds. What was the acceleratioll! Your Answer: Answer…

A: Given, initial velocity of bicycle  = 0 m/sfinal velocity of bicycle = 7.0 m/stime = 3.6sWe know…

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Q: Mariana puts the pedal to the metal and increases her speed as follows. 0 miles per second at 0…

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Q: A 0.005 kg vinyl "record" with a diameter of 0.3 m is spinning at a rate of 1 m/s. How much…

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