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Alika [10]
3 years ago
15

What is potential energy​

Physics
1 answer:
JulsSmile [24]3 years ago
6 0

Answer:

An Energy held by an object because of its position relative by other objects

Explanation:

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How much heat is required to change 1.0 kg of ice, originally at -20.0 degrees celcius, into steam at 110.0 degrees celcius? Ass
Marizza181 [45]

Answer:

Q = 3087460 J

Explanation:

As we know that first ice will convert into water

then water will heat to 100 degree celcius and then it will converted into vapor and then its temperature is raised to 110 degree C

First we will find the heat to take the ice at 0 degree and then convert it into water

Q_1 = ms_{ice}\Delta T + mL

Q_1 = 1(2100)(0 - (-20)) + 1(335000)

Q_1 = 42000 + 335000 = 377000 J

Now heat required to take it to 100 Degree then convert into vapor and then raise temperature to 110 degree

Q_2 = 1(4186)(100 - 0) + (1)(2250000) + 1(4186)(110 - 100)

Q_2 = 2710460 J

So total heat required is given as

Q = Q_1 + Q_2

Q = 377000 + 2710460

Q = 3087460 J

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3 years ago
Which sequence shows all the colors of visible light arranged from shortest to longest wavelength?
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Violet
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After a displacement of 17 m, a train on a straight track is at the position xf = –2.5 m
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-19.5m

-19.5+17=-2.5m

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We are asked to know the reason why magnetic dipole can be written as U = -m *B. The reason for this was that the negative sign is just showing or indicating the direction of the force. If it if negative, it means that the work done is opposite to the force field.
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Write an essay on basketball history and how the game has changed over time
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Basket ball has gone through some changes and hence got into shape as what we play or watch nowadays. Overall rules have the same fundamental principles as set in 1891 by the founder of this game.

December 21st, in 1891, the introductory basketball game was played in Springfield, Massachusetts. It was first brought into shape by a Canadian-by birth, Dr. James Naismith. The basic idea of the new game was to keep the sports loving students in shape during the winters or in between the outdoor game seasons.

'The basket ball' which had a set of thirteen basic rules set up a strong foundation to the game and still played almost in the same style with few modifications.In the very year of 1891, after mixing and changing theme of several other played games of those days, basket ball was born.

Initially, basket ball with the 13 rules was played with 2 peach baskets setup as goals, which now a days are the baskets on a high poles although modified but with same basic idea. In the very first game played in Springfield, the set of players were able to score a single point only, in the whole game.

By comparing Naismith’s basketball and basketball of today we see a characteristic of the original game which had no dribbling, instead a player had to pass the ball to a another player of his team ,from his the very spot where he caught it. The second thing which has now changed is the fouls, in the original game if any team made 3 consecutive foul play ,the oponent received a goal in reward. Although this scoring technique doesn't exist in the modern basketball. Rather nowadays, if any team makes five fouls in one quarter, the offending team is in the penalty ,and shoot free throws are awarded against them.

All other rules are quiet intact in the modern play as well. As the game today,has extended to over 2 hundered countries and enjoyed by many on television screens, with modern umpiring and technologies being used in the game, but the original idea of the founder is still endured.

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3 years ago
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