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grandymaker [24]
3 years ago
7

In the circuit below, lamps P and Q are identical. The reading on the ammeter is 3A. The cell shown is of

Physics
1 answer:
Nookie1986 [14]3 years ago
8 0
6V is the correct because it may
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Speed is velocity in a given direction<br> O True<br> O False
Zarrin [17]

Answer:

FALSE

Explanation:

Velocity = speed with direction.

Think of speed and direction like rockets and missiles. Rockets are not smart. Missiles are smart. Rockets go in one direction. Missiles can track their targets, they have a specific destination, a specific direction.

Velocity is often used in physics, because its almost useless to know how fast an object is going if you don't know which direction it is going.

Think of it like this. If the Weather man told you a hurricane was traveling at 30 miles an hour, but didn't tell you which direction it was going, you would have no idea where to run, or if it was going to hit you at all. However, if he told you it was going 30 miles an hour to the North, and you were West of it, you would be fine, and wouldn't have to worry.

8 0
3 years ago
Read 2 more answers
An object moving forward at 10 m/s suddenly begins moving backward at 5 m/s. What is the most accurate explanation for this chan
Vinil7 [7]
My best guess would be C.
8 0
3 years ago
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20. Which statement is false? Rewrite it so that it is true. a. Fusion involves the combination of two smaller atoms into a larg
Annette [7]

Answer:

c. Fission and fusion are two processes that release very little amounts of energy.

Explanation:

This statement is false. In fact, both fission and fusion are processes which release very large amounts of energy. The statement can be rewritten as it is true as follows:

"Fission and fusion are two processes that release very large amounts of energy."

Fission occurs when a large nucleus break apart, splitting into smaller nuclei, while fusion occurs when two light nuclei combine together into a larger nucleus. In both cases, the mass of the reactants is larger than the mass of the final products, so some of the mass has been converted into energy, according to Einstein's equation:

E = \Delta m c^2

where

E is the energy released

\Delta m is the mass lost in the process

c is the speed of light

Since c is a very large number (c=3\cdot 10^8 m/s), we see that even a very small mass \Delta m causes the released of a huge amount of energy, so both fission and fusion release large amounts of energy.

3 0
4 years ago
This picture shows an example of what?
Wewaii [24]
The picture shows an example of velocity
5 0
3 years ago
What does the dashed line represent in this diagram?
lys-0071 [83]
Motor branch circuit
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3 years ago
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