Physics, 30.05.2020 22:02 Valfrutos2912
(Multiple Choice, 15 pts)
A student thinks that because the sun is made of gas, it transfers heat to Earth by convection. Which explains why this is an incorrect description of how the sun transfers heat to Earth?
A. The space between the sun and Earth contains no matter.
B. Convection cannot occur in gases.
C. Earth can absorb heat only in the form of radiation.
D. Electromagnetic waves do not carry energy.
A or D?
Answers: 2
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A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?
Answers: 3
(Multiple Choice, 15 pts)
A student thinks that because the sun is made of gas, it trans...
A student thinks that because the sun is made of gas, it trans...
Computers and Technology, 20.09.2019 01:00