The image shows devices that convert wind energy into electrical energy. What is one advantage of using this type of device in p
lace of buming fossil
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
1 answer:
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Answer:
75.36 mph
Explanation:
The distance between the other car and the intersection is,
The distance between the police car and the intersection is,
(Negative sign indicates that he is moving towards the intersection)
Therefore the distance between them is given by,
The rate of change is,
Now finding when
from (1) we have
The officer's radar gun indicates 25 mph pointed at the other car then, when
from
From (2) we get
Hence the speed of the car is