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qwelly [4]
2 years ago
14

What happens to the volume of a loaf of bread that is squeezed? The mass? The density?

Physics
1 answer:
nalin [4]2 years ago
3 0

Explanation:

The volume of the bread decreases, making the bread appear more compact, and smaller in size. The mass stays the same, it won't change unless part of the bread is removed. The density increases, the air bubbles inside of the bread get squished down, causing the bread to be smaller, and in turn, causing it to be more solid.

I hope this helped!

Thanks!

Your friend in answering,

~Steve

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Projectile's horizontal range on level ground is R=v20sin2θ/g. At what launch angle or angles will the projectile land at half o
seraphim [82]

Answer:

\theta = 15^o \: or\: 75^o

Explanation:

As we know that the formula of range is given as

R = \frac{v^2sin2\theta}{g}

now we know that

maximum value of the range of the projectile is given as

R_{max} = \frac{v^2}{g}

now we need to find such angles for which the range is half the maximum value

so we will have

\frac{R}{2} = \frac{v^2}{2g} = \frac{v^2sin(2\theta)}{g}

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3 years ago
20 Points available for physics help
Sonja [21]
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8 0
2 years ago
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A 65.0-Ω resistor is connected to the terminals of a battery whose emf is 12.0 V and whose internal resistance is 0.5 Ω. Calcula
Luda [366]

Answer:

a) 0.1832 A

b) 11.91 Volts

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Explanation:

(a)

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E = Emf of the battery = 12.0 Volts

r = internal resistance of the battery = 0.5 Ω

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i = 0.1832 A

(b)

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(c)

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P_{R} = 2.18 Watt

Power dissipated in the internal resistance is given as

P_{r} = i²r

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P_{r} = 0.0168 Watt

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evablogger [386]

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