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juin [17]
3 years ago
5

What is voltage? please help

Physics
1 answer:
rewona [7]3 years ago
8 0

Explanation:

Voltage is the pressure pushing electrons through a power circuit.   Express in volts

You can always search on go ogle to give you an easier answer.

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A rubber ball with a mass 0.20 kg is dropped vertically from a height of 1.5 m above the floor. The ball bounces off of the floo
Digiron [165]
Potential Energy = mass * Hight * acceleration of gravity
PE=hmg
PE = 1.5 * .2 * 9.81
PE = 2.943
it lost .6 so 2.943 - .6 = 2.343
now your new energy is 2.343 so solve for height
2.343 = mhg
2.334 = .2 * h * 9.81
h = 1.194
the ball after the bounce only went up 1.194m
8 0
3 years ago
A photon of light has a wavelength of about 600 nm (1nm = 1 x 10-9 m). What is the energy of this photon of light? Show all calc
bezimeni [28]
Wavelength = 600 nm = 600 × 10^(-9)
speed of light = c = 3 × 10^8
planck constant = h = 6.63 × 10^(-34)

energy of photon = hc/wavelength
 = 6.63 × 10^(-34) × 3 × 10^8/600 × 10^(-9)
 = 1.9 × 10^(-25)/6 × 10^(-7)
 = 0.31 × 10^(-16)
 = 3.1 × 10^(-17)
6 0
3 years ago
Would anybody be able to help me complete this sentence?<br><br>Thanks ​
romanna [79]

Answer:

x-axis

Explanation:

when it is at rest, horizontal, on a graph it is the x-axis.

Hope this helped!

7 0
3 years ago
2. A box filled with books has a mass of 15.0 kg. It is pushed across the floor with a constant force of 60.0 N. If the friction
sesenic [268]

Answer:

3 m/s^{2}

Explanation:

ΣF=ma

The two forces at play are the force applied and the force due to friction. As they are opposing forces set the direction being pushed as the positive in the x direction. the equation you come out with is 60 - 15=(15)A (we know mass to be 15kg). Solve for 3 m/s^2.

7 0
3 years ago
Relative humidity _______.
horsena [70]

Answer: option d. gives the percentage of water molecules in the air.

Explanation:

4 0
3 years ago
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