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

Q: When a solid body is heated, what happens to its mass and density?

A: Density = Mass/Volume   When a substance is heated its volume increases and so the density…

Q: What are two effects that adding heat can have on a solid object?

A: The below are the two effects

Q: Heat is(a) a fluid called caloric.(b) a measure of the average kinetic energy of atoms.(c) the…

A: When two materials are at different temperatures that is, they have different average kinetic energy…

Q: What is the phase change from a solid to liquid?

A: The process of a solid becoming a liquid is called melting (an older term that you may see sometimes…

Q: (iv) Convert 129 J/kg°C to cal/g°C (a) 5.3x105 (b) 0.031 (c) 32.44 (d) 30.8

A: Answer :-  Given    129 J/kg oC to cal/ go C    ( We know that  1J = 0.000239 cal  And 1 kg = 1000 g…

Q: The Kinetic Theory of Matter suggests that O Only molecules of liquids have random movement O Only…

A: The kinetic theory of matter helps us to explain why matter exists in different phases (i.e. solid,…

Q: Which of these is not a state of matter? Solid , liquid, plasma, or ice?

A: Solid, liquid ,plasma and ice are state of matter Because physical change can  happen to matter but…

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: A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because…

A: When two objects of different temperature are in contact with each other, then the heat energy will…

Q: Why must a glass dish taken from the oven and put into cold water shatter?

A: A glass dish taken from the oven and put into cold water shatter because When hot, thick glass is…

Q: In winter, light-colored clothes will keep you warmer than dark-colored clothes if you are colder…

A:

Q: Why do thin french fries cook faster than thick fries?

A: Surface area of small object is large, so the smaller the object the larger the surface area.

Q: Which of the following are true about absolute zero? Molecular motion stops O Liquid helium boils O…

A: In this problem, it is asking about the absolute zero.

Q: When is a substance considered to be amorphous?

A:

Q: What is the distinction between gas and vapor?

A: Gas is a single defined thermodynamic phase or state. It has  its own unique physical and chemical…

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: Touching a hot fire poker with your hand is an example of:

A: If you touching a hot fire poker with your hand ,heat will conducted to your hand and your skin will…

Q: A body of unknown temperature was placed in a room that was held at 30° F. After 10 minutes , the…

A: The formula of Newton's law of cooling is  T = To + cek t where, T is the temperature at time t and…

Q: Superman leaps in front of Lois Lane to save her from a volley of bullets. In a 1-minute interval,…

A: Force and impulse are impulse is related by,

Q: Choose the BEST answer to the following: When you breathe on your hand, the temperature of the…

A: When we blow with wide-opened mouth then warm air comes out but as we narrow down our mouth, then…

Q: Most objects tend to expand when heated. Which of the following statements is true? At higher…

A: Answer:- At higher temperatures objects have higher kinetic energies so their their particles…

Q: Why does a bicycle pump feel warm as you inflate your tire?

A: a bicycle pump feel warm as you inflate your tire

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…

A:

Q: When a material changes from a liquid to a gas, O the molecules expand. O the molecules repel each…

A: during the transition from liquid to gas the energy of molecules increases

Q: 0.100 kg copper sample is dropped from the roof of a 50.0-meter high building. If 50 % of thermal…

A: Given data: Mass of the copper sample, m=0.100 kg Height of the building, h=50.0 m Specific heat of…

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: The average  kinetic energy of ice particles ______ as ice melts. A. Decrease B. Increase  C.…

A: There  is  nо  сhаnge  in  the  temрerаture  оf  the  iсe  when  it  melts  tо  wаter  beсаuse  the…

Q: When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure…

A: Here, Using equation of motion, the acceleration of the bullet can be obtained as

Q: Chocolate candy in your hand will eventually melt as heat is conducted from your hand to the…

A:

Q: Consider a flat steel plate with a hole through its center. When the temperature of the plate is…

A: When the temperature is decreased, the hole will contract as the plate contract around it. Because…

Q: Compared to a giant iceberg, a hot cup of coffee has more what? (A) Thermal energy and higher…

A: Compared to a giant iceberg, a hot cup of coffee has more  a higher temperature, but less thermal…

Q: In the Newton's Law of Cooling, at small differences of temperatures between the body and the…

A: Step1: Newton's Law of Cooling Newton’s law of cooling states that the rate of heat loss from a body…

Q: Crawling in a frozen lake decreases the chance of breaking the ice rather than walking on it. Which…

A: The pressure is defined as the thrust acting per unit area.

Q: 1 A student was cooking chicken in the frying pan below.

A: When the chicken is placed on the frying pan, then transfer of heat takes place by contact of…

Q: When you blow some air above a paper strip, the paper rises. This is because? (choose one)   1.…

A: Answer: 2. The air above the paper moves faster and pressure is lower

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: A cube (1-1-1m) of ice in a room (50C) sitting on a wooden table. the ice is 1m away from the walls…

A: We have two insulating blankets 1m×1m, it is required to cover a 1m×1m×1m of ice cube with those…

Q: 2 kg water at 0 Celsius turned into ice at 0 Celsius thereby losing heat energy; If the heat lost is…

A: Given data: Mass of water, m=2 kg. Water temperature, T=0∘C. Ice temperature, t=0∘C. Specified data:…

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

A:

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: When a hot object and a cold one are placed in thermal contact, the temperature at equilibrium will…

A: Recall principle of calorimetry Heat lost by hotter body=heat gained by colder body

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

A: