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lapo4ka [179]
2 years ago
11

Which of these would be considered a drawback of hydroelectric power in an area that previously did not have access to this ener

gy source?A) I only) II only) IF only) I & II only

Physics
1 answer:
SpyIntel [72]2 years ago
3 0
Simple the answer is A and only 2 ones
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What are 5 examples of balanced and unbalanced forces in your home?
ryzh [129]
Balance:
a book resting on a table
a car driving at 10 miles per hour in constant velocity
a cat sitting on a chair
a bulb that attach to the ceiling 
your grandma sleeping on a bed
Unbalance:
your brother sprinting across the kitchen
a ball rolling at 5 m/s^2 
your mom trying to run at 2 m/s^2 to spank you 
you dropping your coffee mug on a floor
a cat jumping out of your bed
a tear from your eye falling through the floor
Hope this helps
8 0
3 years ago
What force causes a falling object to gain kinetic energy?
hoa [83]

Answer:

Gravitational Potential Energy

Explanation:

As an object falls from rest, its gravitational potential energy is converted to kinetic energy. Conservation of energy as a tool permits the calculation of the velocity just before it hits the surface.

5 0
2 years ago
Read 2 more answers
Which of the following statements are true about gravity? Check all that
mamaluj [8]

Answer:

c d  and e

Explanation:

4 0
3 years ago
A 2000 Kg car going 20 m/s crashes into a wall. What is the force of the car on the wall? ​
lidiya [134]

Answer:

40,000N

Explanation:

Force = Acceleration × Mass

2000×20=40,000

4 0
3 years ago
An 1800-kg truck pulls a 710-kg trailer away from a stoplight with an acceleration of 1.20 m/s2 . Part A What is the net force e
faust18 [17]

Answer:

F = 852 N

Explanation:

We apply Newton's second law to the trailer :

F = m*a   Formula (1)

F : net force exerted by the truck on the trailer Newtons (N)

m : mass of the trailer in kilograms (kg)

a : acceleration of the trailer in meters over second square (m/s²)

Data

a=1.20 m/s² : acceleration of the trailer

m=710 kg : mass of the trailer

We replace data in the   Formula (1)  to calculate the net force exerted by the truck on the trailer

F = (710 kg)*(1.20 m/s²)

F = 852 N

8 0
3 years ago
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