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NikAS [45]
3 years ago
12

Is a snowball melting in my hand? convection, conduction, radiation Which one?

Physics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0
Conduction. the heat from your hand transfers to the snowball and it melts.
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Millions of children are treated each year for sports-related injuries.
miv72 [106K]

Answer:

True

Explanation:

As per a survey conducted in the United States, it has been highlighted that among 30 million children participating in any sports, there are 3.5 million children who face injuries. It is because of these injuries that the children have to take some leave or absence from the sports. Also, the statistics discloses the fact that among all the injuries faced by the humans, one third of them are related to the childhood sports activities. Sprains and strains are among the most common of the injuries.

6 0
3 years ago
Read 2 more answers
What force does it take to accelerate a 7.2 kg object 3.0 m/s^2.
grin007 [14]

Answer:

<h2>21.6 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 7.2 × 3 = 21.6

We have the final answer as

<h3>21.6 N</h3>

Hope this helps you

3 0
2 years ago
Joe and Bill throw identical balls vertically upward. Joe throws his ball with an initial speed twice as high as Bill. If there
exis [7]

Answer:

the maximum height of Joe's ball will be 4 times Bill's ball.

Explanation:

let bill's velocity be v then Joe's velocity is 2v.

and initial velocities of both bill and Joe are 0

for Bill

v^2-u^2= 2gh

h=\frac{v^2}{2gh}

for Joe

(2v)^2-u^2= 2gh'

h'=\frac{4v^2}{2g}

thus we can write that

h'=4h

the maximum height of Joe's ball will be 4 times Bill's ball.

8 0
3 years ago
Which element could have the dot diagram shown below?
Lemur [1.5K]
This answer is fluorine
7 0
3 years ago
Paleontologists are experts on the rock cycle true or false
kow [346]

Answer:

I cannot do the laws of physics cuz I hate science but I'm just dance

Explanation:

<u>it's</u><u> it's true</u>

8 0
3 years ago
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