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Results tagged with homework-and-exercises
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user 60433
Applies to questions of primarily educational value - not only questions that arise from actual homework assignments, but any question where it is preferable to guide the asker to the answer rather than giving it away outright. Please READ THE GUIDANCE IN META before asking homework-like questions.
5
votes
2
answers
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Why is it difficult to cook food on mountains?
Why is it difficult to cook food on mountains?
Is it because on increasing pressure boiling point of substance increase and on mountains there is less pressure so less boiling point. Then shouldn't i …
- 1,426
1
vote
3
answers
5k
views
What acceleration to use in this problem?
A balloon starts rising from the ground with an acceleration of 1.25 m/second square. After 8 second, a stone is released from the balloon. Find the time for stone to reach ground, distance covere …
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0
votes
1
answer
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What is the final velocity of a stone dropped out of a rising balloon? [closed]
A balloon is starting from the ground has been ascending vertically at uniform velocity for 4 sec and a stone let to fall from it reaches the ground in 6 sec. Find the velocity with which the stone …
- 1,426
5
votes
3
answers
10k
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Acceleration of an object dropped inside an accelerating elevator
A stone is released from an elevator going up with acceleration of $g/2$. What is the acceleration of the stone just after the release?
The answer is $g$. Shouldn't the stone carry the acceleration o …
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42
votes
7
answers
13k
views
Why do we need to know the shape of the slide to find the time to slide down it?
In my physics book after this solved example:
A child of mass $m$ is initially at rest on top of a water slide at height h = 8.5m above the bottom of the slide. Assuming that the slide is frictio …
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1
vote
1
answer
114
views
Why speed of block/box reduce when force is acted?
In my physic book there is a question which is as follows;-
A food shopper pushes a wood crate of cabbage heads of mass $m$ =14kg across a concrete floor with a constant horizontal force $\vec{F}$ …
- 1,426
-1
votes
2
answers
148
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Domain of different types of collision?
Can anyone tell me why
elastic collision occur between atomic particles?
inelastic collision occur between ordinary objects?
perfectly inelastic collision occur during shooting?
s …
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