Physics, 18.10.2021 07:30 xboxgamer304
a person throws a ball with an initial speed of 18 m/s at an unknown angle above the horizontal. the ball reaches a maximum height of 13.5 m above the thrower. use the thrower's hand as the origin. a what is the angle that the ball is thrown at? b what are the position and velocity of the ball when it reaches its maximum height? give both in unit vector notation
Answers: 2
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)
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Physics, 22.06.2019 14:30
Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil
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Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
a person throws a ball with an initial speed of 18 m/s at an unknown angle above the horizontal. the...
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