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brilliants [131]
3 years ago
10

Which of these is an example of temperature changing over time? A. a pan cools off on the stove B. a frozen dinner sits in the f

reezer C. a mug is at room temperature on the counter D. two glasses of water are filled from the tap and mixed together
Physics
2 answers:
lesya [120]3 years ago
3 0
Is this middle school
Ipatiy [6.2K]3 years ago
3 0

Answer:

A. a pan cools off on the stove

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Can someone please explain number 8?
guajiro [1.7K]

Answer: Ax=(Vx-Vox)/(T)

Vx=Vox+Ax*T

Solving for Ax in terms of Vx, Vox, T

Vx-Vox=Ax*t

Ax=(Vx-Vox)/(T)

This is saying the acceleration in the x-direction can be found by taking the difference between the finial and initial Velocity in x-direction and dividing it by the Total Time.

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8 0
2 years ago
Help with this question please :>
zheka24 [161]

Answer: A if thats not right its C

Explanation:

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3 years ago
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If the current through a 20-ω resistor is 8.0 a , how much energy is dissipated by the resistor in 1.0 h ?
fiasKO [112]
1 hour = 3600 seconds.
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4 0
2 years ago
An object is traveling on a circle with a radius of 6 feet. If in 80 seconds a central angle of 9/4 radians is swept out, then f
trapecia [35]

Answer:

The angular speed of the object is 0.0281 rad/s

The linear speed of the object is 0.169 ft/s

Explanation:

Given;

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time of motion of the object around the circle, t = 80 s

central angle formed by the object during the motion, θ = 9/4 rad = 2.25 rad

The angular speed of the object is calculated as;

\omega = \frac{\theta }{t} = \frac{2.25 \ rad}{80 \ s} = 0.0281 \ rad/s

The linear speed of the object is calculated as;

v = ωr

v = 0.0281 rad/s   x    6ft

v = 0.169 ft/s

8 0
3 years ago
What is your mass in kilograms if you weigh 120 pounds
schepotkina [342]

It depends where you are.

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-- If you weigh 120 pounds on Mars,
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-- If you weigh 120  pounds on the Earth,
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3 years ago
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