Physics, 18.11.2020 21:10 Dragonskeld
Which of the following statements is always true?
a. An object attest has no forces acting on it
b. Unbalanced forces lead to a change in speed or
direction
c. Gravity always leads to an unbalanced force
d. The net force on a moving object can never be zero
Answers: 2
Physics, 21.06.2019 17:50
Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f
Answers: 1
Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Physics, 22.06.2019 10:30
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
Physics, 22.06.2019 11:30
Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
Answers: 2
Which of the following statements is always true?
a. An object attest has no forces acting on it
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