Physics, 09.01.2021 02:00 mianelson367
A physical property is a characteristic of a substance is one that .
A.) can be observed by changing it into a different substance
B.) is seen after changing it into a different substance
C.) can be observed without changing it into a different substance
D.) does not involve freezing or boiling the substance
Answers: 3
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Physics, 21.06.2019 17:30
Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.
Answers: 1
Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
Answers: 2
Physics, 22.06.2019 06:00
An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm
Answers: 2
A physical property is a characteristic of a substance is one that .
A.) can be observed by changin...
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