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vaieri [72.5K]
3 years ago
8

At which point(s) does the ball have 25% potential energy and 75% kinetic energy?*

Physics
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

hey

Explanation:

hey

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A radar gun can determine the speed of a moving automobile by measuring the difference in frequency between emitted and reflecte
kupik [55]

Answer:

Doppler effect.

Explanation:

The velocity of the moving car affects the wavelengths of the reflecting  radio waves according to the principle of Doppler effect. Therefore, for a car moving away from the radar gun, the wavelength of the radio waves is increased, and for a car moving towards the gun, the wavelength is decreased. The degree of increase or decreases depends on the speed of the car, so if you know how much a wavelength has changed, you know the velocity of the car.

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Does your BMR increase decrease stay the same or dissapear as you age?
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it decreases because of the differences in hormones

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A charged particle is located in an electric field where the magnitude of the electric field strength is 2.0x10^3 newtons per co
Alexxandr [17]

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20.7

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3 years ago
Heinrich hertz used properties of which type of wave to support the idea that light is also made of waves?.
Vsevolod [243]

Answer:

Hertz extended Maxwell's idea that light is produced by the interaction of electromagnetic fields. Waves produced a diffraction pattern. Results supported the wave theory of light.

7 0
2 years ago
Read 2 more answers
Calculate the average value of an AC signal with a peak amplitude of 10V and a frequency of 10 kHz.
Solnce55 [7]

Answer:

V(average)=6.37 V

Explanation:

Given Data

Peak Voltage=10V

Frequency=10 kHZ

To Find

Average Voltage

Solution

For this first we need to find Voltage peak to peak

So

Voltage (peak to peak)= 2× voltage peak

Voltage (peak to peak)= 2×10

Voltage (peak to peak)= 20 V

Now from Voltage (peak to peak) formula we can find the Average Voltage

So

Voltage (peak to peak)=π×V(average)

V(average)=Voltage (peak to peak)/π

V(average)=20/3.14

V(average)=6.37 V

3 0
3 years ago
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