Which statement is the best example of the law of conservation of energy?
A.
A train travel...
Mathematics, 04.09.2021 03:00 keishadawson
Which statement is the best example of the law of conservation of energy?
A.
A train traveling down a hill loses potential energy that is then stored in the ground.
B.
An animal's energy is permanently stored in chemical bonds when it eats food.
C.
Chemical energy in a car engine is destroyed as it burns and releases exhaust into the air.
D.
Radiant energy from the Sun is not lost but transformed into other forms of energy.
Answers: 2
Mathematics, 21.06.2019 15:30
Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p
Answers: 1
Mathematics, 21.06.2019 21:30
Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.
Answers: 2
Mathematics, 21.06.2019 22:00
Given that sinβ
= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
? a. (β4)/4 b. (β15)/4 c. (4Ο)/2 d. (4β2)/4
Answers: 2
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