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prisoha [69]
3 years ago
13

How did the work of several scientists contribute to the invention of the electromagnet?

Physics
1 answer:
stealth61 [152]3 years ago
3 0
I was answering you but i forgot sry for dat
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How does reducing the volume of a gas affect its pressure if the temperature of the gas and the number of particles are constant
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3 years ago
Motion can be detected by using background objects that are not moving called_______________ points
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Answer: A reference point

Explanation: If an object is in motion then its distance from another object is changing.  Whether an object is moving or not depends on your point of view. For example, a woman riding on a bus is not moving in relation to the seat she is sitting on, but she is moving in relation to the buildings the bus passes. A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving.

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3 years ago
How long does it take a person to skate the width of a hockey rink (85 feet) at a constant speed of 15 feet per second?
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S(travel distance)=85 ft
v (velocity)=15 ft/s
-----------------------------------
t (time)=?

Calculate the time with the formula for the velocity:
v=S/t
t=S/v
t=85 ft/(15 ft/s)
t=5.666s
3 0
3 years ago
By the 2nd century BCE the ____ democratized astrology<br> A. Greeks<br> B. Egyptians<br> C. Romans
elena-14-01-66 [18.8K]

Answer:

A

Explanation:

3 0
3 years ago
A ball bounces changing velocity from vi=15m/s[D] to vf=15m/s[U] in t=0.01s. The balls acceleration is *
fomenos

Answer:

Option (A) is correct

Explanation:

a= (vf-vi)/ t

put the values

hence,

a= ( 15-15)/0.01

a=0

5 0
3 years ago
Read 2 more answers
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