Physics, 06.06.2020 05:04 trentonthreats5073
19. In each of the four situations described below, something is being heated. In which case is the heating caused by radiation? *
A. A heat lamp keeps a hamburger warm.
B. Cooking an egg in a skillet.
C. Hot air pouring from a heat vent.
D. Melting ice on your sidewalk by pouring hot water on it.
20. Suppose you are sitting inside on a sunny day next to a window. The sunlight warms your skin. Which statement is correct? *
A. Hot air travels from the Sun to your skin, warming it. This is called convection.
B. Hot air travels from the Sun to your skin, warming it. This is called radiation.
C. Light from the Sun travels to your skin, warming it. This is called convection.
D. Light from the Sun travels to your skin, warming it. This is called radiation.
Answers: 2
Physics, 22.06.2019 08:00, hartzpeyton136
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
Physics, 22.06.2019 19:30, 27lcasselberry
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
19. In each of the four situations described below, something is being heated. In which case is the...
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