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kumpel [21]
3 years ago
15

What measurement most likely to be the same for a ball launched at angle of 20 degrees and a ball launched at 70 degrees?

Physics
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

k Nishant

Explanation:

i think the answer is option D

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Suppose the sphere is positively charged. Is it attracted to, repelled by, or not affected by the magnet?.
Nutka1998 [239]

When a positively charged sphere is brought near the north pole of a magnet, the positively charged sphere will be attracted to the magnet.

<h3>Positively charged object</h3>

When a positively charged object is brought near the north pole of a magnet, the positively charged object will be attracted to the magnet beacuse of polarity.

Positively charged metals have the tendency to show the polarization of charges.

Thus, when a positively charged sphere is brought near the north pole of a magnet, the positively charged sphere will be attracted to the magnet. Also, if the south pole is brought near the sphere, the positively charged sphere will repel the magnet.

Learn more about attraction of magnet here: brainly.com/question/14749231

4 0
3 years ago
the atmospheric temperature decreases when snow starts melting because the snow releases thermal energy from the atmosphere to m
sergeinik [125]
No its false
Snow absorbs the thermal energy
4 0
3 years ago
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What does the m stand for in the enthalpy equation?
Morgarella [4.7K]

Answer:

Use the formula ∆H = m x s x ∆T to solve.

Explanation:

Once you have m, the mass of your reactants, s, the specific heat of your product, and ∆T, the temperature change from your reaction, you are prepared to find the enthalpy of reaction. Simply plug your values into the formula ∆H = m x s x ∆T and multiply to solve.

4 0
3 years ago
Conservation of Momentum
aksik [14]

Hi there!

This collision is an example of an inelastic collision since kinetic energy is lost from the collision.

We can represent this using the conservation of momentum formula:

m1v1 + m2v1 = m1vf + m2vf

Where:

m1 = blue ball

m2 = green ball

We know that the final velocity of the blue ball is 0, so:

m1v1 + m2v1 = m2vf

Rearrange to solve for the speed of the green ball:

(m1v1 + m2v1)/m2 = vf

Plug in given values:

((0.15 · 3) + (0.15 · 2)) / 0.15 = 5 m/s

3 0
3 years ago
Why does the area swept by a planet in a given period of time remain constant even as the planet speeds up and slows down
BARSIC [14]
A planet orbiting a star in a eclipse and sometimes it is closer to the star but sometimes it is farther. When it is closer the gravity on the planet from the star is stronger and it speeds up. The area the planet sweeps over is equal because when it speeds up the length covered along the orbital path is greater, but it is also closer to the star, and that dimension is decreased. 
4 0
3 years ago
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