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patriot [66]
3 years ago
10

Warm air rising is part of a __________________________ current.

Physics
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

Thermal

Explanation:

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Daniel [21]
Question 7 is false
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3 years ago
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When a certain rubber band is stretched a distance x, it exerts a restoring force of magnitude f = ax, where a is a constant. th
Veseljchak [2.6K]
Given:
F = ax
where
x = distance by which the rubber band is stretched
a =  constant

The work done in stretching the rubber band from x = 0 to x = L is
W=\int_{0}^{L} Fdx = \int_{0}^{L}ax \, dx = \frac{a}{2}  [x^{2} ]_{0}^{L} =  \frac{aL^{2}}{2}

Answer:  \frac{aL^{2}}{2}

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4 years ago
There are 30 students in Ms. Andrews’ fourth grade class. There are 6 times as many students in the entire fourth grade as there
KatRina [158]

Answer:

30×6=n

Explanation:

30 students in her class× 6 = number of students in the entire 4th grade.

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3 years ago
A car is traveling at 30 m/s and about to impact a wall. What change would result in the safest outcome
Andreas93 [3]

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Hitting the brakes

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3 years ago
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A 6.30 kg piece of solid copper metal at an initial temperature T is placed with 2.00 kg of ice that is initially at -16.0 ∘C. T
Viktor [21]

Answer:

179 degree

Explanation:

Solid copper will lose heat to warm up and melt ice . Since all the ice has not melted so final temperature of mixture will be zero.

heat gained by ice to reach temperature of zero degree

= mass of ice x specific heat of ice x rise of temp  

= 2  x 2093 x 16 = 66976 J

Heat gained to melt 1.1. kg of ice

mass x latent heat of ice

1.1 x 334000

= 367400

total heat

= 367400 + 66976

=434376

Heat lost by copper

= 6.3 x 385 x T

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heat lost = heat gained

6.3 x 385 T = 434376

T = 434376 / (6.3 x 385)

= 179 degree .

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3 years ago
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