Answer:
45 m
Explanation:
Use Big Five #5 with v0 = 0 (calling down the positive direction).
<span>From an area of higher conentration to an area of lower concentration which is B. my friend. Hoped i helped.
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Answer:
decreases by a factor of 4
Explanation:
Lets take mass of the objects are m₁ and m₂ and the distance between them at initial condition is R.
We know that attraction force between two object given as

G=Constant
If distance become 2 R
R' = 2R





Therefore we can say that gravitational force will become one forth of the initial force.
Answer:
true
explanations: especially hot body ie.above -273 tends to emit infrared type radiation