A jet's engine takes in 20 kilograms of air per second. The air is compressed, heated, and discharged at a rate of 500 m/s2. What force is exerted by the jet engine?

a 10,000 N
b15,000 N
c2500 N
d1000 N

How do you answer this question? (step by step)

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%