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mart [117]
3 years ago
13

When Edmund Halley visited Newton to ask him about orbits, what shape did Newton tell him orbits must have ?

Physics
1 answer:
nignag [31]3 years ago
3 0
Newton told him the orbits must have ellipses. Let me know if this helps.
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How much energy from the sun actually reaches the corn answer?
Serhud [2]
The energy from the sun that reaches the corn is about two billionths.
3 0
3 years ago
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At a given instant, the force on an electron is in the +z-direction (out of the page), which the electron is moving in the +x-di
Hitman42 [59]

Answer:

The direction of the B-field is in the +y-direction.

Explanation:

The corresponding formula is

F_B = qv\times B

This means, we should use right-hand rule.

Our index finger is pointed towards +x-direction (direction of velocity),

our middle finger should point towards the direction of the B-field,

and our thumb should point towards the +z-direction (direction of the force).

Since our middle finger in this situation points towards +y-direction, the B-field should be in +y-direction.

\^{x} \times \^{y} = \^{z}

3 0
3 years ago
A 0.0450-kg golf ball initially at rest is given a speed of 25.2 m/s when a club strikes. part a part complete if the club and b
Ksenya-84 [330]
We are given information:
m = 0.0450 kg
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Δt = 1.95 ms = 0.00195s

To find force we use formula:
F = m * a

a is acceleration. To find it we use formula:
a = Δv / Δt 
a = 25.2 / 0.00195
a = 12923.1 m/s^2

Now we can find force:
F = 0.0450 * 12923.1
F = 581.5 N 


To check the effect of the ball's weight on this movement we need to calculate it and then compare it to this force.
W = m * g
W = 0.0450 * 9.81
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We can see that weight is much smaller than the applied force so it's influence in negligible.
3 0
3 years ago
How does electricity flow?
DedPeter [7]
Current flows from High Potential (Positive) to Low potential (Negative)

So, option D is your answer!

Hope this helps!
3 0
3 years ago
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PLZZ ANSWER THE QUESTION ​
mixas84 [53]
Its Displacement and Time for sure.
Thank You!
Pls mark Brainliest!
7 0
3 years ago
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