Physics, 12.12.2020 16:00 npaslayoy1bzj
A 50 kg skydiver jump from a plane that is 400 m in the air. What is the
skydivers kinetic energy when they are 100 m from the ground? (Steps:
(1) Solve for initial potential energy, (2) Solve for final potential energy (3)
Calculate the kinetic energy using the mechanical energy equation)
100,000 J
200,000 J
150,000 J
75,000
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Answers: 2
Physics, 21.06.2019 22:00, jby
Atank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. the values in the table show the volume v of water remaining in the tank (in gallons) after t minutes. t(min) 5 10 15 20 25 30v(gal) 694 444 250 111 28 0(a) if p is the point (15, 250) on the graph of v, find the slopes of the secant lines pq when q is the point on the graph with t = 5, 10, 20, 25, and 30.(b) estimate the slope of the tangent line at p by averaging the slopes of two secant lines.(c) use a graph of the function to estimate the slope of the tangent line at p. (this slope represents the rate at which the water is flowing from the tank after 15 minutes.)show all steps.
Answers: 2
Physics, 23.06.2019 02:30, malakyi1
There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork
Answers: 1
A 50 kg skydiver jump from a plane that is 400 m in the air. What is the
skydivers kinetic energy w...
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