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JulijaS [17]
4 years ago
5

When a wave enters a new medium, it

Physics
1 answer:
rjkz [21]4 years ago
5 0
Velocity of a wave = wavelength * frequency

The velocity may change and the wavelength may change--- the frequency stays constant!
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Describe the relationship between input force, output force,<br>and load force.​
g100num [7]

Answer: the relationship between the input force and output force is that, Input Force represents the amount of force that you put into another object (which is considered as the load force) while Output Force represents the force that a specific object has as a result of the input force.

Explanation:

Using a lever as an example, a broom is a lever used to sweep floors, the input force is applied by one of the arm used in sweeping, while the output force is on the other edge of the broom (broom tip)

5 0
3 years ago
Calculate the rate of heat generation in kW due to the burning of the fuel when you drive a car rated at 34 MPG (miles per gallo
alexira [117]

Answer:

Explanation:

Let us calculate gallon used in one hour .

It travels 70 miles in one hour

in 70 miles it uses 70 / 34 gallons of fuel

70 / 34 gallons = 70 / 34 x 3.7854 kg

= 7.8 kg

heat generated = 7.8 x 44 x 10⁶ J

= 343.2 x 10⁶ J

This is heat generated in one hour

heat generated in one second = 343.2 x 10⁶ / 60 x 60 J/s

= 95.33 x 10³ J /s

= 95.33 kW.

4 0
3 years ago
True or False If the mass of the object increases, then the potential energy of the object decreases.​
Tamiku [17]
False- the potential energy is force*distance and force is mass*acceleration so if there’s more mass, there’s more force, so there’s more potential energy
Hope that helps :)
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3 years ago
Sam has been working to improve his muscular fitness. He jumps rope and trains with weights. What will most likely be the result
const2013 [10]
Increased Bone Density
4 0
4 years ago
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Answer:

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