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yawa3891 [41]
4 years ago
11

The manufacturer of a 1.5 V D flashlight battery says that the battery will deliver 9 mA for 42 continuous hours. During that ti

me the voltage will drop from 1.5 V to 1.0 V. Assume the drop in voltage is linear with time.
How much energy does the battery deliver in this 37h interval?
Physics
1 answer:
Sladkaya [172]4 years ago
4 0

Answer:

The manufacturer of a 9V dry-cell flashlight battery says that the battery will deliver 20 mA for 80 continuous hours. During that time the voltage will drop from 9V to 6V. Assume the drop in voltage is linear with time. How much energy does the battery deliver in this 80 h interval?

Explanation:

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It is the thermal energy transferred from a hot object to a cold object.
kakasveta [241]

It is the thermal energy transferred from a hot object to a cool object.

The following statement listed above is correct.

Answer: True.

6 0
4 years ago
Yosef is playing with different kinds of rubber bands. Some are very narrow and some are quite wide. Yosef is curious about the
kari74 [83]

Answer:

He could have many different hypothesis, but here is one.

Explanation:

If rubber bands are wider, then the rubber bands will stretch further, because the wider a rubber band is the stronger it is.

4 0
3 years ago
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Scienctists agree that the world's climate is getting hotter. What do you think might happen as a result of this climate change?
Mama L [17]

Answer:

Bad things

Explanation:

Global warming has many terrible effects on people and the earth itself

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4 0
3 years ago
After a surface interval my pressure group is D. I want to do a repetitive dive to 38 feet for 32 minutes. What will be my new p
ExtremeBDS [4]

Answer:

New pressure group is N

Explanation:

The Repetitive Dive table has to be checked, the residual nitrogen for the maximum depth of 38 feet as a "D" diver, then add that to the actual dive time to get the total nitrogen time. The total nitrogen time and the maximum depth of 38 feet would put you on a pressure group N.

5 0
3 years ago
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What is the acceleration of an object that takes 20 sec to change from a speed of 200 m/s to 300 m/s ?
marin [14]

<u>Given</u><u>:</u>

  • initial velocity, u = 200 m/s

  • Final velocity, v = 300 m/s

  • Time taken, t = 20 sec

<u>To</u><u> </u><u>be</u><u> </u><u>calculated</u><u>:</u>

Calculate the acceleration of given object ?

<u>Formula</u><u> </u><u>used</u><u>:</u>

Acceleration = v - u / t

<u>Solution</u><u>:</u>

We know that,

Acceleration = v - u / t

☆ Substituting the values in the above formula,we get

Acceleration ⇒ 300 - 200 / 20

⇒ 100/20

⇒ 5 m/s²

5 0
4 years ago
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