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aniked [119]
3 years ago
14

For problems that involve an object accelerating along an inclined plane, how can the weight be used to determine the force comp

onent that causes motion? The weight is the full force that acts perpendicular to the surface of the ramp. The weight times the cosine of the ramp's angle is the force perpendicular to the ramp. The weight times the sine of the angle of the ramp acts down along the ramp. O The weight times the cosine of the angle of the ramp acts down along the ramp.​
Physics
1 answer:
irakobra [83]3 years ago
3 0

Answer:

C

Explanation:

Ed2020

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A softball player moving 3.89 m/s
Ahat [919]

Answer:

0.119 s

Explanation:

Given that

U=3.89\ m/s\\a=-1.44\ m/s^2\\S=4.8\ m

Lets take final speed of the softball after covering 4.8 m = V

We know that

V^2=U^2+2aS\\V^2=3.89^2-2\times 1.44\times 4.8\\V=3.7\ m/s

Also We know that

V=U+at\\

Putting the value of V ,U and a in the previous equation  We get

3.7=3.89-1.44\times t\\t=0.119\ s

Therefore slide time will be 0.119 s

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Initially, the experiment has only potential energy (since total energy is the sum of kinetic and potential energy). And at the end, the experment has only kinetic energy.

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What is the angle of reflection of the incident angle is 35°?<br> 35<br> 25°<br> 55<br> 90
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i think its the third one or second one

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