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Shalnov [3]
2 years ago
9

Question 17

Physics
1 answer:
9966 [12]2 years ago
3 0
The first one 76 i think that is it
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How to solve number 10
Vinil7 [7]

The 'formulas' to use are just the definitions of 'power' and 'work':

Power = (work done) / (time to do the work)

and  

Work = (force) x (distance) .

Combine these into one. Take the definition of 'Work', and write it in place of 'work' in the definition of power.

Power = (force x distance) / (time)

From the sheet, we know the power, the distance, and the time.  So we can use this one formula to find the force.

Power = (force x distance) / (time)

Multiply each side by (time):  (Power) x (time) = (force) x (distance)

Divide each side by (distance): Force = (power x time) / (distance).

Look how neat, clean, and simple that is !

Force = (13.3 watts) x (3 seconds) / (4 meters)

Force = (13.3 x 3 / 4) (watt-seconds / meter)

Force = 39.9/4 (joules/meter)

<em>Force = 9.975 Newtons</em>

Is that awesome or what !

6 0
2 years ago
A car slams on its breaks,producing friction between the tires and the road.Into which type of energy is the mechanical energy o
Step2247 [10]
The answer is Heat Energy
4 0
2 years ago
Read 2 more answers
In __________ waves, the motion of the particles in a medium is along the direction of the wave (parallel). *
True [87]
Longitude is the answer

7 0
2 years ago
For an extended object, the weight force can be considered to act at which point?
JulsSmile [24]

Answer:

At the center of the object

At the end of the object farthest away from the ground

At the center of gravity of the object

At end of the object closest to the ground

Explanation:

5 0
3 years ago
Zero field spot for opposite unequal charges
xz_007 [3.2K]

Answer:

The zero field location has to be on the line running between the two point charges because that's the only place where the field vectors could point in exactly opposite directions. It can't be between the two opposite charges because there the field vectors from both charges point toward the negative charge.

7 0
3 years ago
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