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Makovka662 [10]
3 years ago
11

While rowing in a race, John does 132 J of work while pulling the oar 0.800 m.

Physics
2 answers:
HACTEHA [7]3 years ago
6 0

Answer:

i got u!!! john's arms exert a force of 165 newtons.

Nastasia [14]3 years ago
5 0

Hi there!

\large\boxed{F = 165 N}

We know the equation:

W = F · d, where:

W = work (J)

d = displacement (m)

F = force (N)

We can rearrange to solve for F:

W/d = F

Thus:

132/0.8 = F

F = 165 N

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an object weighting 100g is thrown upwards from the ground at a speed of 100 m/s.where will the potential energy of the object b
Kay [80]

Answer:

333.3 m

Explanation:

Given

m =100g\ =\  0.1kg\\v = 100 m/s\\g = 10 m/s ^2

Potential energy =\frac{2}{3}\  of\  Kinetic\  energy......Equation(1)

We know that

Potential energy=mgh

Kinetic energy =\frac{1}{2} mv^{2}

Now From the Equation(1)

mgh=\frac{2}{3}*\frac{1}{2} mv^{2}\\  gh=\frac{v^{2} }{3} \\10 * h=\ \frac{10000}{3}\\ h=\ \frac{1000}{3} \\h=333.3\  m

3 0
2 years ago
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sertanlavr [38]

Answer:

V is greater

Explanation:

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7 0
2 years ago
Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample.
Paraphin [41]

Answer:

Shown by explanation;

Explanation:

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Assumption;I assume the mass of the samples are : 109g and 192g

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For 0.192g are;

∆T= 67-30.1-=36.9°c

0.192 × 4186×36.9=29656.97J

5 0
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In Linnean taxonomy, the most unique level is _____.<br><br> species<br> genus<br> kingdom<br> breed
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The answer is species, I hope this helps!
6 0
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Answer:

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Explanation:

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