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Novay_Z [31]
3 years ago
13

According to Newton's first law, if an object is changing direction, what must be happening?

Physics
1 answer:
murzikaleks [220]3 years ago
6 0

D. Unbalanced forces are acting on it.

hope this helped

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A penny rides on top of a piston as it undergoes vertical simple harmonic motion with an amplitude of 4.0cm. If the frequency is
nadezda [96]

Answer:

in the downward movement of the movement when the constant is lost

Explanation:

When the coin is on the piston it has a relationship given by

       a = d²x / dt²

the piston position is

      x = A cos wt

      a = - A w² cos wt

the maximum acceleration is

     a = - A w²

When the piston raises the acceleration of gravity and that of the piston go in the same direction, when the piston descends they relate it is contrary to gravity, therefore when the frequency increases, the point where the acceleration of the piston is greater than gravity arrives and the coin loses contact.

The point where you lose contact is

      a = g

      g = A w²

In short, in the downward movement of the movement when the constant is lost

7 0
3 years ago
As a 5.0 x 102 N basketball player jumps from the floor up toward the basket, the magnitude of the force of her feet on the floo
s2008m [1.1K]
Here is your answer:

First find the notations:

5.0×10^2=500.
1.0×10^3=1,000

Then you multiply:

1,000×500=500,000

Your answer is...
=500,000 or 5.0×10^4
8 0
4 years ago
What are elements made up of?<br><br> atoms<br><br> matter<br><br> Hydrogen<br><br> substance
gavmur [86]
Elements are made up of atoms
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The soymilk is most likely a ____.
denpristay [2]

If you're referring to this question :

A container of soymilk has the instruction on its label to "shake well before opening." The soymilk is most likely a !suspension!

Suspension is the answer.

Hope this helps,

Davinia.

4 0
3 years ago
Which of the following represents a system that is completely open?
Fittoniya [83]
D. a pot of boiling water!
3 0
3 years ago
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