Physics, 19.09.2020 01:01, graymonky12
You are jogging along Zuma beach when you see a flash of fire up on a cliff, and then you notice the splash
of a cannon ball next to you in the ocean. You instantly estimate from the puff of smoke) that the cannon
was fired a horizontal distance of 80 m from the top of a cliff 40 above your position Based on your
observation of the fiery explosion from the mouth of the cannon (as it was fired), you estimate that the
cannon bal was in the air for 3.0 seconds
What was the muzzle velocity of the cannon,
b. At what angle was it fired,
c. what is the y-component of its velocity just before it impacts the water,
d. and what is its velocity - magnitude and
e direction, just before it impects the water.
Answers: 3
Physics, 22.06.2019 15:30, bloodry
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
Answers: 1
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 23:00, rtryf57rfgth
Which wave is the result of amplification and produces a louder sound
Answers: 1
You are jogging along Zuma beach when you see a flash of fire up on a cliff, and then you notice the...
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