Physics, 21.07.2019 15:30 gabbym39077
Achild wants to pump up a bicycle tire so that its pressure is 1.2 × 105 pa above that of atmospheric pressure. if the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert?
Answers: 1
Physics, 22.06.2019 07:40
Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
Answers: 2
Physics, 22.06.2019 09:00
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 20:40
In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
Answers: 1
Physics, 22.06.2019 23:00
Which of the following describes how a microwave heats food
Answers: 2
Achild wants to pump up a bicycle tire so that its pressure is 1.2 × 105 pa above that of atmospheri...
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