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True [87]
3 years ago
11

In the absence of air resistance, objects fall at constant

Physics
1 answer:
Temka [501]3 years ago
5 0

In the absence of air resistance , object fall with  <u>same acceleration</u> .

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T or F :)
balandron [24]

That's true.

And I'll go ya a better one:

If the object is moving or not moving, at a constant or changing speed, in a straight or curvy line, and the forces on it do not cancel out and add up to zero, the object will accelerate.

4 0
3 years ago
While two forces act on it, a particle of mass m=3.2kg is it to move continuously with velocity (3m/s)i - (4m/s)j . one of the f
marta [7]
Mmm tricky.
Since the velocity is constant, I'm going to assume there is no acceleration in any direction. This means there is no net force in the I or J forection!

Since there are 2 forces, both must be equal and opposite in direction to perfectly cancel each other out.

So the opposite of F1 is (-2N)I + (6N)J!

8 0
3 years ago
what did classical physics predict about electron flow as a result of light shining on a metal surface?
stiv31 [10]
This looks like the photo electric effect ... classical physics reckoned that if you shone an intense enough light beam on a metal you could get electrons ejected from the metal (maybe in analogy to thermionic emission - heat). It sort of "forgot" about the frequency and photon/particle nature of light.
Enter the "photo electric" effect experiment, Einstein's explanation, and the Nobel committee having an excuse to award E a Nobel prize, even though said prize was probably more for relativity.
8 0
3 years ago
Which of the following is the greatest component of plasma?
Xelga [282]
The main role of plasma is to take your nutrients, hormones, and protein to the cells that need it almost like a little grocery store that goes to your cells and drops of what they need
Plasma is also made up of 90% water 8%proteins and 2%hormones. Normally your blood should have 55% of it to be plasma unless your body is polycythemic or anemic.
6 0
3 years ago
The diagram shows an electromagnet made with copper wire, a steel nail,
Arlecino [84]
Answer: C
Explanation: mark me please
7 0
2 years ago
Read 2 more answers
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