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dmitriy555 [2]
3 years ago
13

HELP PLS! (LOOK AT THE PICTURE)

Physics
1 answer:
Arturiano [62]3 years ago
4 0
The answer is b !!!! Hope it helps
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Example 1: Two physics students, Ben and Bonnie, are in the weightlifting room. Bonnie lifts the 50kg barbell
alexandr402 [8]

Answer:

Same

Ben.

Explanation:

m = Mass Bonnie and Ben lift = 50 kg

s = Displacement of mass by both the students = 0.6 m

Work done by both the student is

W=Fs\\\Rightarrow W=10\times 50\times 0.6\\\Rightarrow W=300\ \text{J}

The amount of work done by both the students will be equal to 300 J.

t_1 = Time taken by Bonnie = 1 minute = 60 seconds

t_2 = Time taken by Ben = 10 seconds.

Power delivered by Bonnie

P=\dfrac{W}{t_1}\\\Rightarrow P=\dfrac{300}{60}\\\Rightarrow P=5\ \text{W}

Power delivered by Ben

P=\dfrac{W}{t_2}\\\Rightarrow P=\dfrac{300}{10}\\\Rightarrow P=30\ \text{W}

So, power delivered by Ben is more.

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3 years ago
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Answer:

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The average velocity  is zero because there is no net vector displacement.

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Which are best examples of projectile motion
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