What is the frequency of a wave having a period equal to 18 seconds? (Hint: f=1/P)
0.066 Hz
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Answers: 1
Physics, 21.06.2019 22:00, connorgking
Why do electron microscopes have higher resolving power than light microscopes?
Answers: 1
Physics, 22.06.2019 18:30, breiajr
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
Physics, 22.06.2019 19:40, flore9584
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
Answers: 2
Physics, 22.06.2019 20:00, PurpleAndBlue
Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
Answers: 1