Physics, 09.10.2021 17:00 mremoney530
Which correctly identifies the mass and approximate weight of the same object on Earth?
А) 10-N mass, 1-kg weight
B) 20-kg mass, 200-N weight
C) 30-g mass, 300-N weight
D) 40-N mass, 400-g weight
E) 50-kg mass, 50,000-g weight
Answers: 1
Physics, 21.06.2019 23:00, blackwell0315
1point) a skydiver weighing 130 lb (including equipment) falls vertically downward from an altitude of 14,000 ft and opens the parachute after 20 s of free fall. assume that the force of air resistance, which is directed opposite to the velocity, is of magnitude 0.85|v|0.85|v| when the parachute is closed and is of magnitude 17|v|17|v| when the parachute is open, where the velocity vv 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. find the speed of the skydiver when the parachute opens. speed is 150.6121788 ft/s find the skydiver's height when the parachute opens. height is 2338.98591 ft find the limiting velocity vlvl after the parachute opens. (think about whether this should be positive or negative.) vl=vl= 7.647 ft/s
Answers: 2
Physics, 22.06.2019 07:00, hdjsjfjruejchhehd
If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?
Answers: 2
Physics, 22.06.2019 09:00, winterblanco
The pressure proportional to the area a- inversely b- directly c- increase d-decrease
Answers: 2
Which correctly identifies the mass and approximate weight of the same object on Earth?
А) 10-N ma...
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