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Neporo4naja [7]
3 years ago
13

What is the speed of a walking person in m/s if the person travels 1000 m in 1200 seconds?​

Physics
1 answer:
Brilliant_brown [7]3 years ago
4 0

Answer:

0.83

Explanation:

to figure out what m/s is you would divide the distance by time.

1000 divided by 1200 is equal to .83  so

.83 m/s as your final answer

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Explanation: :)

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What is the force on an electron in a CRT when it’s moving at 2.5 × 105 meters/second perpendicular to a magnetic field of 1.5 t
Firdavs [7]
F = Magnetic Force
B = Magnetic Field
V = Velocity

*The vectors from the photo you get doing the left-hand rule.

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The formula to find the Magnetic Force is:

f = |q| \times v \times b \times sin \: \theta

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f = |- 1.6 \times {10}^{ - 19} | \times 2.5 \times {10}^{5} \times 1.5 \times 1 \\ f = 6 \times {10}^{ - 19 + 5} \\ f = 6 \times {10}^{ - 14} \: newtons
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4 0
3 years ago
A baseball fan is 150.0 m from the home plate. how much time elapses between the instant the fan sees the batter hit the ball an
Artyom0805 [142]

Approximately 0.4373 seconds

Speed of sound at 20 degree C is roughly 343 meters/second

Speed of light = 3x10^8 or 300,000,000 meters/second

at 150.0 feet away you set it up as:

150.0/343 - 150/3x10^8

150.0/343 = 0.43731778

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Subtract 0.43731778 - 0.0000005

Answer is 0.43731728

Rounding would be approx. 0.4373

7 0
3 years ago
When heat moves from the ocean to the surrounding air, which is this an example of?
Blizzard [7]
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This is because oceans are part of the hydrosphere. As the air warms it flows up into the atmosphere.

Hope this helps!
6 0
3 years ago
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