Physics, 09.06.2021 06:00 sindy35111
Objects at rest stay at rest and objects in motion stay in motion is the same as saying :
A) No net force, no acceleration
B) No net force, no speed
C) zero force means zero speed
D) forces cause motion
Answers: 3
Physics, 22.06.2019 02:00, honeybaby675610
Askydiver weighing 140 lb (including equipment) falls vertically downward from an altitude of 19,000 ft and opens the parachute after 18 s of free fall. assume that the force of air resistance, which is directed opposite to the velocity, is of magnitude 0.55|v| when the parachute is closed and is of magnitude 14|v| when the parachute is open, where the velocity v is measured in ft/s. assume that acceleration due to gravity has magnitude 32 ft/s/s; remember that weight is the product of mass and gravitational acceleration. (a) find the speed of the skydiver when the parachute opens. (b) find the distance fallen before the parachute opens. (c) what is the limiting velocity vl after the parachute opens? (d) determine how long the sky diver is in the air after the parachute opens. (e) plot the graph of velocity versus time from the beginning of the fall until the skydiver reaches the ground.
Answers: 1
Physics, 22.06.2019 02:00, ummsumaiyah4185
Write the correct abbreviation for each metric unit
Answers: 1
Physics, 22.06.2019 06:50, saltytaetae
What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?
Answers: 1
Physics, 22.06.2019 13:20, Jbutler15
This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?
Answers: 3
Objects at rest stay at rest and objects in motion stay in motion is the same as saying :
A) No net...
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