Physics, 14.10.2019 20:00 keshewar4737
Which of the following is a from of mechanical energy? a. chemical energy, b. nuclear energy, c. thermal energy, d. gravitational potential energy
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If frequency goes down, what happens to wavelength? does it get shorter or longer?
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Acid rain is caused by human activity. select the best answer from the choices provided t f
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Physics, 23.06.2019 07:20
Aseries circuit has a battery and resistor and a light bulb with a power of 3.0 w if the current in the circuit is 0.90 a over a period of 20 seconds what is the voltage across a lightbulb
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Physics, 23.06.2019 08:00
The cheetah is considered the fastest running animal in the world. cheetahs can accelerate to a speed of 20.1 m/s in 2.50 s and can continue to accelerate to reach a top speed of 28.1 m/s. assume the acceleration is constant until the top speed is reached and is zero thereafter.1) starting from a crouched position, how long does it take a cheetah to reach its top speed? (express your answer to three significant figures.) s2) how far does it travel in that time? (express your answer to three significant figures.) m3) if a cheetah sees a rabbit 120 m away, how long will it take to reach the rabbit, assuming the rabbit does not move? (express your answer to three significant figures.)
Answers: 3
Which of the following is a from of mechanical energy? a. chemical energy, b. nuclear energy, c. th...
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