Physics, 21.12.2021 03:20, nolanreano
a girl riding a bicycle at 2.0 m/s throws a tennis ball horizontally forward at a speed of 1.0 m/s from a height of 1.5 m. at the same moment, a boy standing on the sidewalk drops a tennis ball straight down from a height of 1.5 m. what's the speed of the girl's ball when it hits the ground?
Answers: 1
Physics, 21.06.2019 14:40, mt137896
Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
Answers: 2
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The mini-refrigerator fire was most likely caused by what type of wiring?
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Physics, 22.06.2019 17:30, herbal420medici
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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a girl riding a bicycle at 2.0 m/s throws a tennis ball horizontally forward at a speed of 1.0 m/s f...
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