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Elan Coil [88]
3 years ago
5

Witch sentence states Newton third law

Physics
1 answer:
Dominik [7]3 years ago
7 0

Answer:

For every action, there is an equal and opposite reaction.

Explanation:

Physics helps alot lol

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A jetliner is traveling east from Salt Lake City to Washington DC, a distance of 1,850 miles. The jetliner travels at an average
maks197457 [2]
The jetliner is traveling against the wind. The net speed of the jetliner is
590 mph - 36 mph = 554 mph
The time it takes for the jetliner to arrive at the destination is
1850 miles / 554 mph = 3.34 hours
3 0
3 years ago
In order to decrease the friction an object experiences, you can either change
Kipish [7]

Answer:

Reduce its weight

Explanation:

For an object on a flat surface, the maximum force of friction experienced by the object is given by:

F = \mu W

where

\mu is the coefficient of friction

W is the weight of the object

As we can see from the formula, there are two ways of reducing the  friction:

- Decreasing \mu --> this coefficient depends on the material and on the roughness of the surface, so this can be changed by changing the properties of the surface

- Decreasing W, the weight --> this can be done by reducing the mass of the object

8 0
3 years ago
If you are 1 m above the surface of the earth, and then you jump to 2 m above the surface of the earth.
MatroZZZ [7]

Answer:

b

Explanation:

4 0
3 years ago
How much work is done on a pumpkin with a force of 16 newtons when you lift it 15<br> meters?
blsea [12.9K]

Answer:

240 Joules

Explanation:

work = f x d

16 newtons is the force

15 meters is the distance

15*16= 240

3 0
2 years ago
Please help ASAP A uniform disk of mass M and radius R is pivoted such that it can rotate freely about a horizontal axis through
kompoz [17]

Answer: F = mg(1 + 4m / (½M + m))

Explanation:

"At this point seems" unclear. If the particle is at the top of the disc and angular velocity is negligible, then the force would equal the weight of the particle. F = mg

The more interesting question would be what force is needed to keep the particle attached when significant angular rotation has been achieved. The maximum point would be diametrically opposed to the starting point.

I will analyze it there

The potential energy will convert to kinetic energy

   mgh = ½Iω²

mg(2R) = ½(½MR² + mR²)ω²

 4mgR = R²(½M + m)ω²

       ω² = 4mg / (R(½M + m))

With m at the lowest position, the force of attachment must support the weight of m and provide for the needed centripetal acceleration

F = m(g + ω²R)

F = m(g + 4mg / (R(½M + m))R)

F = mg(1 + 4m / (½M + m))

7 0
2 years ago
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