Physics, 24.06.2021 19:20 johannah51
A pilot drops a package from a plane flying horizontally at a constant speed. Neglecting air resistance, when the package hits the ground the horizontal location of the plane will Group of answer choices be behind the package. be over the package. be in front of the package depend of the speed of the plane when the package was released.
Answers: 2
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The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
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Physics, 22.06.2019 18:30
In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.
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During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
Physics, 23.06.2019 14:00
If the wavelength is tripled, while the speed of the wave is held constant, what happens to the frequency? a. decreases to 1/3 b. decreases to 1/9 c. increases by 3 d. increases by 9 e. stays the same
Answers: 1
A pilot drops a package from a plane flying horizontally at a constant speed. Neglecting air resista...
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