Which of the following is true for an object falling to the ground with constant velocity?   I. Potential energy decreases. II. Kinetic energy increases. III. Heat energy increases.     A) I and III B) Only I C) I and II D) Only II E) Only III

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A:

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A: Given:  Length, l = 5 m  speed,v = 54 km/h = 15 m/s  ρ = 1.2 kg/m3 C = 0.55

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A: Required : The correct option

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A: Convection is a process by which heat is transferred by the movement of a heated fluid such as air…

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Q: ***************** A combination of 0.250 kg of water at 20.0°C, 0.400 kg of aluminum at 26.0°C, and…

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Q: 4m/s 450 300 a) What is the speed of ball A after the oollision? VA- b) What is the speed of ball B…

A: Given, mass of ball A mA=5 kgvA=4 m/smB=5 kg

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A: The first law of thermodynamics, is also known as the law of conservation of energy.

Q: Q5/ Discuss the following, in detail 1. The four laws of thermodynamics 2. Macroscopic forms of…

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Q: 5. Compare and contrast heat and thermal energy. O Heat is a measure of the average kinetic energy…

A: Correct : -Thermal energy is a measure of the average kinetic energy of particles in an object, and…

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Q: Your body is like an "oven" set to 98 degrees F or 37 degrees C. Questions 6-8 are related to this…

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A: ANS.  1 and 3

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A: Given that:-Force, F=5NDisplacement= 60 cm=0.60 mWe know that:-Work, W=F.swhere, F is force'S' is…

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A: Heating Curve:  It is used to represent the Endothermic process. An endothermic process is a process…

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A: Given: m=65 Kg tsleep=8.5 h tlight=2 h twalk=1.1 h tjpg=0.2 h To find the change in internal energy.

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Q: 4.) A material of mass m is heated using 5.00 calories of heat and its temperature rises by one…

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Q: What are the tree statements of the second law of thermodynamics? Write them down briefly.

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A: Given: Internal Energy (△U) = - 150 Joule Net work done ( W) = 30 Joule

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Q: Determine the wind energy per unit mass if the winds speed is 21 Km/Hr. A- 17.014 J B- 0.810 J C-…

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Q: 119. As a thrown baseball is acted on by air friction, the thermal energy of the ball (1) decreases…

A: Kinetic energy decreases over time as frictional force due to air acts on it.

Q: 25) In a flask, 114.0 g of water is heated using 67.0 W of power, with perfect efficiency. How long…

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Q: QUESTION 2 If a hypothetical planet without an atmosphere had an atmosphere instantaneously added,…

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A: given data networkdone (dw) = 50 J internal energy (du) = 30 J amount of net heat =?

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A: volume of water (V) = 200 cm3density of water = 1 gcm3∆h = 32 cm = 0.32 m Initial temperature of…

Q: 7) A piece of ice at 0°C starts at rest at the top of a ramp and slides down. At the bottom of the…

A: given : the ice's kinetic energy at the bottom of the ramp is lesser than its potential energy at…