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Marianna [84]
3 years ago
5

Select all that apply.

Physics
1 answer:
Sever21 [200]3 years ago
8 0

1. area of exposure

2. temp difference

3. thickness of the material

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A large chunk of ice breaks off an Alaskan glacier and lands in the ocean.
siniylev [52]

Answer:

b hope this helps

Explanation:

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3 years ago
A uniform stick has a mass of 4.42 kg and a length of 1.23 m. It is initially lying flat at rest on a frictionless horizontal su
nataly862011 [7]

10.7 rad/s is the final angular velocity of the stick.

Given:

Mass of the stick = 4.42 kg

Length of the stick = 1.23m

Force of impulse (I) = 12.8 N s

The linear velocity of the stick, v=\frac{I}{m}

                                                  v=\frac{12.8 N.s (\frac{1 kg m/s^2}{1 N}) }{4.42 kg}

                                                  v  = 2.89 m/s

Therefore, the final linear velocity of the stick is 2.89 m/s

∴w=\frac{12 Ir}{ml^{2} }

w=\frac{12 ( 12.8 N.s ) ( 46.4 cm)}{(4.42 kg) (1.23 m)^2}

w= \frac{12 (12.8 N.s) (46.4 cm) (\frac{10^-^2 m}{1 cm} )}{(4.42 kg) (1.23m)2}

w=10.7   rad/s

Therefore, 10.7 rad/s is the final angular velocity of the stick.

Learn more about linear velocity here:

brainly.com/question/15154527

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5 0
2 years ago
how difficult is it to start a heavy lorry moving and to stop it moving? (choose one answer from the image provided)
ale4655 [162]

Answer:

option B

Explanation:

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3 years ago
A 200.0 kg piano is elevated by a crane to a height of 10.0 meters above a sidewalk. If the rope holding the piano breaks, what
Nitella [24]
All that business about the crane and the rope and the falling
is only there to confuse us.

The piano ended up 5 meters above the ground.

           Potential energy = (mass) (gravity) (height)

                                   = (200 kg) (9.81 m/s²) (5 m)

                                   = (200 · 9.81 · 5)  (kg-m²/s²)

                                   =   9,810 joules   . 
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3 years ago
How many years does it take for 1/4 of a carbon-14 atom to decay?
leva [86]
It takes 2,865 years
3 0
3 years ago
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