Physics, 26.07.2019 01:30, gabbymay85
Aprojectile is launched at an angle of 30° and lands 20 s later at the same height as it was launched. (a) what is the initial speed of the projectile? (b) what is the maximum altitude? (c) what is the range?
Answers: 2
Physics, 21.06.2019 20:30, milhai0627a
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.)
Answers: 2
Physics, 22.06.2019 09:00, kiarajack456
Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
Answers: 1
Physics, 22.06.2019 12:30, mommer2019
Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
Answers: 1
Physics, 22.06.2019 15:00, weridness80
For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat
Answers: 1
Aprojectile is launched at an angle of 30° and lands 20 s later at the same height as it was launche...
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