Which of the following examples illustrates Newton’s second law of motion?
Question 4 op...
Physics, 09.04.2020 01:45 victoriay3
Which of the following examples illustrates Newton’s second law of motion?
Question 4 options:
Much less force is required to push an empty shopping cart than a full shopping cart.
When a car driver has to brake suddenly, all passengers continue moving forward unless restrained by the seatbelt.
A balloon flies in the opposite direction as the air that's rushing out of it.
A ball thrown in space will continue forever since there's no outside force to slow it down.
Answers: 2
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 05:30
What are similarities and differences of reflection, refraction, diffraction and absorption?
Answers: 1
Physics, 22.06.2019 08:00
If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles
Answers: 2
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
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