Physics, 03.02.2021 01:40 allsherm23
Which describes a malleable material?
A. It is a mixture of a metal with at least one other element.
B. It can transfer heat easily to another material.
C. It can be pulled out, or drawn, into a long wire.
D. It can be hammered into shapes or rolled flat into sheets.
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 07:30, andreaisabela
Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
Answers: 2
Physics, 22.06.2019 10:10, randlemccray4305
What is the angular momentum of the bar about the axle?
Answers: 3
Which describes a malleable material?
A. It is a mixture of a metal with at least one other eleme...
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