7.
We see a blue car because . . .
A. We see a blue car because it absorbs blue and r...
Physics, 13.12.2021 04:30 pinapunapula
7.
We see a blue car because . . .
A. We see a blue car because it absorbs blue and reflects all the other colors.
B. We see a blue car because it transmits blue and reflects all the other colors.
C. We see a blue car because it reflects blue and absorbs all the other colors.
D. We see a blue car because it reflects blue and transmits all the other colors.
Answers: 2
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Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
Answers: 2
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What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
Answers: 2
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