On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.
Indicate whether the statement is true or false
[Ques. 2] A hot pizza contains heat.
Indicate whether the statement is true or false
[Ques. 3] Celsius degrees are larger than Fahrenheit degrees.
Indicate whether the statement is true or false
[Ques. 4] A bimetallic strip is formed from two materials that have different heat capacities.
Indicate whether the statement is true or false
[Ques. 5] A thermostat can work because of a bimetallic strip.
Indicate whether the statement is true or false
[Ques. 6] One food calorie equals 1000 calories.
Indicate whether the statement is true or false
[Ques. 7] A barometer can work because of a bimetallic strip.
Indicate whether the statement is true or false
[Ques. 8] Heat is transferred from a substance if it is exposed to something that has a lower temperature.
Indicate whether the statement is true or false
[Ques. 9] A gold brick measuring 0.25 ft by 0.33 ft by 1 ft is submerged in water. The weight density of gold is 1,200 pounds per cubic foot and the weight density of water is 62.4 pounds per cubic foot. (a) What is the weight of the gold brick? (b) What is the buoyant force on the gold brick? (c) What is the net force on the gold brick?
[Ques. 10] The body of a swimmer occupies a volume of 2 cubic feet. What is the buoyant force when the swimmer is immersed in water? (The weight density of water is 62.4 pounds per cubic foot.)
Quick Reply
