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prohojiy [21]
3 years ago
8

Choose the force diagram that best represents a ball thrown upward by Peter, at the

Physics
1 answer:
Nataly [62]3 years ago
6 0

Answer:Diagram A

Explanation:

Since the air resistance is to be neglected, only the gravitational force acts on the ball ( and has acted all the way from the throw upward). Diagram A reflects this fact correctly indicating the gravity acting on the ball downward.

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What does B represent?
jenyasd209 [6]

B is a trough.

A trough is the opposite of a crest, in that it occurs at the maximum negative displacement of a wave.

In this problem, A would be the crest, C would be the wavelength, and D would be the amplitude.

Hope this helps!! :)

5 0
3 years ago
The load across a 12-v battery consists of a series combination of three resistances are 15 ω, 21 ω, and 24 ω, respectively
VikaD [51]

The magnitude of the circuit current is 0.20 A. The value of the current in the circuit is found with the help of the ohm's law.

<h3>What is ohm’s law?</h3>

Ohm's law claims that the voltage across a conductor is directly proportional to the current flowing through it.

All the resistance combined in the series so that the equivalent resistance is;

\rm R_{eq}= R_1+R_2+R_3 \\\\  R_{eq}=15+21+24 \\\\ R_{eq}=60 \ ohm

This current-voltage connection may be expressed mathematically by the Ohm's Law;

V=IR

\rm I_{total} = \frac{V}{R_{total}} \\\\ \rm I_{total} = \frac{12}{60} \\\\ I_{total} = 0.20 \ A

Hence, the magnitude of the circuit current is 0.20 A.

To learn more of the ohm's law, refer to the link;

brainly.com/question/796939

#SPJ4

6 0
2 years ago
The solubility of most solids _______ as temperatures decreases.
Kitty [74]

Answer:

The solubility of most solids <u>decrease</u> as temperatures decreases.

Hope this helps :)

Have a great day !

5INGH

Explanation:

3 0
3 years ago
Which of the following is an important property of stars, because it provides some information about the temperature of a star?
drek231 [11]

Answer:

Explanation:

hshsjs

3 0
4 years ago
Read 2 more answers
How much heat is needed to melt 16.5kg of silver that is initially at 20*c?
zubka84 [21]
The Specific Heat Capacity of silver is 230 J/kgK, melting point is 961.8 C so the difference is 941.8K. Now we simply do q=230J/kgK*16.5kg*941.8K and that is 3 574 131 J
8 0
4 years ago
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