03 m 30 k= 200 N/m 0.4 m 40 kg

Q: bloi a. 18.200 kN b. 1.314 k C. 4.088 k d. 6.340 kn

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Q: Food in microwave is heated by   A. conduction   B. Neither.   C. Radiation   D. convection

A: Food in microwave is heated by   A. conduction   B. Neither.   C. Radiation…

Q: Identify the word/s defined in each item a. the measure of the amount of energy in matter b. The…

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Q: Two objects with different sizes, masses, and temperatures are placed in thermal contact. Choose the…

A: Two objects with different sizes, masses, and temperatures are placed in thermal contact.

Q: What is the energy needed to melt 0.52 kg of gold? (Use: Lf of gold = 63 kJ/kg) Select one: a. 0.64…

A: Required The energy needed to melt gold.

Q: Heat energy travels from an object with O lower heat capacity to one with a higher heat capacity. O…

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Q: Why is it possible to hold a lighted match stick until the flame burns quite close to the fingers?

A: The match stick is made up of wood which is the bad conductor of heat. When the lighted match stick…

Q: A fan blows the air and gives it kinetic energy. An hour after the fan has been turned off, what has…

A:

Q: A hot iron horseshoe (mass = 0.45 kg ), just forged, is dropped into 1.10 L of water in a 0.40 kg…

A: mass of iron, m = 0.45 kg  initial temperature of iron, T' = 110 degree C  mass of water, m' = 1.1…

Q: In which state do particles move faster and with little effect on each other? Ice, gas, liquid, or…

A: The interaction between the particles of a substance will increase when the distance between them…

Q: How much energy is required to increase the temperature of 25 g water from 0 C∘ to 50 C∘. The…

A: To determine: The amount of energy required to increase the temperature.   Given: Mass of water,…

Q: A swimming pool filled with water has dimensions of 5.00 m x 10.0 m x 1.78 m. (a) Find the mass of…

A: a)The required mass is,

Q: An electric heater is to heat 11 kg of oil per min from 4.5 deg C to 65.5 deg C. Specific heat of…

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Q: An ice cube feels cold in your hand because... a it's adding cold energy to your hand b because it's…

A: Whenever a body gives energy to us , we feel hot and whenever a body takes energy from us we feel…

Q: The energy content of a piece of food is normally determined by O a eating the piece of food O b…

A: Energy content is an important property of food. The energy your body needs for running, talking,…

Q: Why does the fire in fireplace burn more briskly on a windy day?

A: There are two reasons for the fire burns more briskly on a windy day. On a windy day, the wind…

Q: The mass of a ship before launch is 55,000 metric tons (ton metric|]. The ship is launched down a…

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Q: What is the reason why Ice with salt melts faster than Ice only?

A: Given : Ice with salt melts faster than Ice only.

Q: An insulating cup contains 150 grams of water. 25 grams ice cubes at 0 C is placed in the water. The…

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Q: Heat is the flow of energy from one object to another due to volume differences.

A: Heat is one form of energy that flows from one object to another when there is a temperature…

Q: How much energy is converted to heat in braking a 1000 kg car to a speed of 5.00 m/s from an initial…

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Q: Which of the following describes what happens with energy when a piece of paper starts to burn…

A: We know that sunlight has the radiant energy, so the magnifying glass focuses the sunlight on the…

Q: 29. The law of conservation of energy states that energy * Cannot be created or destroyed. Is…

A: Law of conservation of energy: The total energy of the system remains constant. In other words,…

Q: You can buy an expensive frying pan that is made of copper but has a handle made of stainless steel.…

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Q: Calculate how much heat is necessary to change 500 g of ice at -10 C to water at 68 F? O A. 108655 J…

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Q: A spring is made of steel and not of copper. Why?

A: A good spring should have high restoring capacity and elasticity properties and both these…

Q: Heat is added to 1 kg of water such that the temperature increases by 5 K. The specific heat…

A: Heat addition to increase the temperature of a material is called the specific heat addition to the…

Q: The energy given off as heat by 310 g of an alloy as it cools through 40C° raises the temperature of…

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Q: What is the SI unit for latent heat of fusion A) Joules B kg-m/s² kg.m²/s² °C D

A: Given Latent heat of fusion is given We have to find the SI unit of it and choose the correct…

Q: Equal amounts of heat are added to pieces of metal of equal mass. The metal that will have the…

A: Given data: The mass and amount of heat input to each mass is equal. Need to determine the which…

Q: Heat most accurately describes: the absolute temperature of an object a measure of how hot an object…

A: Heat most accurately describes : ___________

Q: A В hA = 0 VA = 0 hB = 0 Vв > 0 A 3.20 Joules B 984 Joules 4.59 Joules D 675 Joules O O O

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Q: Two children on skates face each other when one of the children pushes back the breast of the other.…

A: When the children push back on each other. The children apply force on each other. So, the children…

Q: An increase in thermal energy leads to what? An increase in frictional forces on an object Ob A…

A: It is asked, "an increase in thermal energy leads to what"? Four options are given and we are…

Q: A9.7-g lead bullet is fired into a fence post. The initial speed of the bullet is 710 m/s, and when…

A: m=9.7 gv= 710m/sK=12×9.7×10-3×7102 K= 2444.88 J

Q: Which of the following diagrams correctly illustrates the movement of thermal energy between metal…

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Q: Why do the machine parts gets jammed in winters?

A: 1) Due to the low temperature in winter, the coefficient of viscosity of the engine oil and the…

Q: A 3-g bullet is fired horizontally into a 10-kg block of wood suspended by a rope from the ceiling.…

A: Given: The mass of the bullet is 3 g = 0.003 kg.…

Q: A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the…

A: To determine: The correct option.

Q: 3. The specific heat of a material is given in a strange unit to be c = 3.60 kJ/kg - °F. Solve for…

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Q: A wooden block is cut into two pieces, piece with six times the mass of the other piece, E A…

A: A wooden block is cut into the two pieces of blocks A and B, The mass of the one-pieces (A )  is six…

Q: choose all that apply to an Elastic collision   A. significant amount of damage and significant…

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Q: Why is it easier to start a fire with kindling rather than with large sticks and logs of the same…

A: Oxygen in air help to burn. Kindling has large surface area than the large sticks and logs of the…

Q: TEMPERATURE (in Celsius) -50 -40 -30 -20 -10 O 0 10 20 30 40 50 SPEED (in meters per second) 301 307…

A: Given:- The data table  Temperture [oC]  Speed [m/s] -50 301 -40 307 -30 313 -20 319…

Q: Two metal spheres are made of the same material and have the same diameter, but one is solid and the…

A: