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Semenov [28]
3 years ago
8

How much force is needed to accelerate a 15kg bowling ball at 2 m/s^2

Physics
2 answers:
olga_2 [115]3 years ago
7 0
Golf no doing what I iuroeurir to do my homework and my homework
kirza4 [7]3 years ago
7 0
The answer is F=30N
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During which two time intervals does the particle undergo equal displacement?
san4es73 [151]

Answer:

BC and DE

Explanation:

In the given figure, the velocity time graph is shown. We know that the area under v-t curve gives the displacement of the particle.

Area under AB, d_1=\dfrac{1}{2}\times 2\times 10=10\ m

Area under BC, d_2=\dfrac{1}{2}\times 2\times 4=4\ m

Area under CD, d_3=\dfrac{1}{2}\times 2\times 7=7\ m

Area under DE, d_4=\dfrac{1}{2}\times 2\times 4=4\ m

Area under EF, d_5=\dfrac{1}{2}\times 2\times 3=3\ m

So, form above calculations it is clear that, during BC and DE undergo equal displacement. Hence, the correct option is (c) "BC and DE = 4 meters".

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3 years ago
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vichka [17]
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Provided following are four different ranges of stellar masses. Rank the stellar mass ranges based on how many stars in each ran
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Highest to lowest number:

-less than 1 solar mass

-between 1 and 10 solar masses

-between 10 and 30 solar masses

-between 30 and 60 solar masses

<h3>What is Stellar masses ?</h3>

Stellar mass is a phrase that is used by astronomers to describe the mass of a star.

  • It is usually enumerated in terms of the Sun's mass as a proportion of a solar mass ( M ☉). Hence, the bright star Sirius has around 2.02 M ☉.

  • Stellar masses are not fixed, although they change for single stars only on long periods.

Learn more about Stellar masses here:

brainly.com/question/1128503

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3 0
2 years ago
If you had only one match, and entered a dark room containing an oil lamp, some newspaper, and some kindling wood, which would y
alukav5142 [94]
The match
you need to light the match before you can light anything else.

and after the match is lit, maybe light the oil lamp first

7 0
3 years ago
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Why do plants produce their own food
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Because way back, when there were some kinds of plants that made
their own food, and other kinds of plants that depended on dinosaurs or
people to bring them food, guess which ones starved and became extinct,
and which ones lived and are still among us today.


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