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Alja [10]
3 years ago
12

The first law of thermodynamics statesbthat heat added to a system is neither created nor destroyed but is

Physics
1 answer:
stiv31 [10]3 years ago
8 0
Accounted for in other forms of energy.
Examples:
potential energy, kinetic energy, and heat
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Question 15)
RUDIKE [14]

Answer:

k Nishant

Explanation:

i think option A

8 0
3 years ago
Which term is defined as an elongated area of low pressure?
fenix001 [56]

Answer:

A trough

Explanation:

A trough is an elongated area of relatively low pressure extending from the center of a region of low pressure.

I HoPe ThIs Helps!!!

6 0
3 years ago
For which question could a testable hypothesis be developed?
Mandarinka [93]
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8 0
3 years ago
A fixed system of charges exerts a force of magnitude 22 N on a 4.0 C charge. The 4.0 C charge is replaced with a 8.0 C charge.
Karo-lina-s [1.5K]

Answer:

44 N

Explanation:

The electrostatic forces between two charges is given by:

F=k\frac{q_1 q_2}{r^2}

where

k is the Coulomb's constant

q1 and q2 are the two charges

r is their separation

We notice that the force is directly proportional to the charges.

In this problem, initially we have a force of

F = 22 N

on a q2 = 4.0 C, exerted by a charge q1.

If the charge is doubled,

q2 = 8.0 C

This means that the force will also double, so it will be

F=22 N \cdot 2 = 44 N

3 0
3 years ago
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