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NISA [10]
3 years ago
5

Deonte’s family sees a solar panel display and considers using solar power for their home. Deonte knows that solar energy is a n

atural energy resource.
His family currently uses city electricity, and their power comes from a coal burning power plant. What problems come from using fossil fuels? Choose the two that apply.

A. burns very hot
B. nonrenewable
C. contributes to greenhouse effect
D. expensive
Physics
1 answer:
s2008m [1.1K]3 years ago
4 0
The answer is b I think
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(i) a force of 35.0 n is required to start a 6.0-kg box moving across a horizontal concrete floor, (a) what is the coefficient o
Serjik [45]

a. The force applied would be equal to the frictional force.

F = us Fn

where, F = applied force = 35 N, us = coeff of static friction, Fn = normal force = weight

 

35 N = us * (6 kg * 9.81 m/s^2)

us = 0.595

 

b. The force applied would now be the sum of the frictional force and force due to acceleration

F = uk Fn + m a

where, uk = coeff of kinetic friction

 

35 N = uk * (6 kg * 9.81 m/s^2) + (6kg * 0.60 m/s^2)

uk = 0.533

4 0
3 years ago
The chart shows the times and accelerations for three drivers.
aliina [53]

The lists from greatest to lowest change in velocity.Dustin → Diego → Kira. Option A is correct.

<h3 /><h3>What is acceleration?</h3>

The rate of change of velocity with respect to time is known as acceleration. According to Newton's second law, the eventual effect of all forces applied to a body is its acceleration.

The acceleration is obtained one by one from the given data as the ratio of the velocity to the time.

For the acceleration of each, you can refer to the excel table attached below.

The velocity changes are listed from largest to least. Dustin and Diego Kira.

Hence, option A is the right answer.

To learn more about acceleration, refer to the link;

brainly.com/question/2437624

#SPJ1

6 0
2 years ago
What is imagery?
Angelina_Jolie [31]
Imagery is almost like a film being played in the readers mind when reading literature. So on that note, I think the last one, 'words that trigger the imagination to remember by appealing to the five senses', is the best choice.

I hope this helps!

8 0
3 years ago
Read 2 more answers
In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces actin
zimovet [89]
<span>the scientists want the probe to stop immediately and move at constant velocity.
HAPPY VALENTINES </span>
8 0
4 years ago
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If the force of attraction (gravity) on the moon is 1/6 that of the force on Earth, what would
Aloiza [94]

I believe that you would weigh around 68 or 69 N, or 7 kilograms.

4 0
3 years ago
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