ANSWER FAS: A skater is 5,000g and is pushed by a friend and changes velocity from 0 m/s to 5 m/s in 1 s. How much force did the friend apply? *Hint: mass has to be in kg to use the formula F=ma*

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.