Physics, 30.11.2019 00:31 giavanleer14
In a classroom demonstration, a 79.2-kg physics professor lies on a "bed of nails." the bed consists of a large number of evenly spaced, relatively sharp nails mounted in a board so that the points extend vertically outward from the board. while the professor is lying down, approximately 1950 nails make contact with his body. what is the average force exerted by each nail on the professor's body?
Answers: 1
Physics, 22.06.2019 03:00
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
Answers: 2
Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
Answers: 1
Physics, 22.06.2019 12:00
Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
Answers: 1
In a classroom demonstration, a 79.2-kg physics professor lies on a "bed of nails." the bed consists...
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