Physics, 13.10.2020 16:01 terryjessicaa
Mm
7. Two skaters stand facing each other. One skater's mass is 60 kg, and the other's mass is 75 kg. The two skaters push off each other. After the push,
the smaller skater has a velocity of 3.0 m/s. If no other forces are acting on the skaters, what is the velocity of the larger skater?
Answers: 2
Physics, 22.06.2019 03:30
The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared
Answers: 1
Physics, 22.06.2019 10:00
This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !
Answers: 1
Physics, 22.06.2019 12:30
Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
Answers: 1
Mm
7. Two skaters stand facing each other. One skater's mass is 60 kg, and the other's mass is 75 k...
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