Physics, 29.08.2020 20:01 xxwoolyknightxx
An object of mass 2 kg starts from rest and is allowed to slide down a
frictionless incline so that its height changes by 20 m. How fast is the object moving at the bottom of the incline?
a. 10m/s
b. 20m/s
c. 30m/s
d. 40m/s
Answers: 2
Physics, 21.06.2019 18:50
How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
Answers: 1
Physics, 22.06.2019 02:40
What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
Answers: 2
Physics, 23.06.2019 00:20
Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)
Answers: 1
An object of mass 2 kg starts from rest and is allowed to slide down a
frictionless incline so that...
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