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vekshin1
3 years ago
9

A solenoid field is:

Physics
1 answer:
Bumek [7]3 years ago
7 0

increased with an increased current flow

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A person throws a baseball from height of 7 feet with an initial vertical velocity of 50 feet per second. Use the vertical motio
Gnoma [55]

Answer:

3.25 seconds

Explanation:

It is given that,

A person throws a baseball from height of 7 feet with an initial vertical velocity of 50 feet per second. The equation for his motion is as follows :

h=-16t^2+vt+s

Where

s is the height in feet

For the given condition, the equation becomes:

h=-16t^2+50t+7

When it hits the ground, h = 0

i.e.

-16t^2+50t+7=0

It is a quadratic equation, we find the value of t,

t = 3.25 seconds and t = -0.134 s

Neglecting negative value

Hence, for 3.25 seconds the baseball is in the air before it hits the ground.

6 0
3 years ago
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Calculate the amount of momentum of an object with a mass of 10 kg travelling al a
irina [24]

Answer:

50kg.m/s

Explanation:

In order to find momentum you must use the formula P=mv

p= momentum

m=mass

v= velocity

so in other words, momentum= mass times velocity

or in this case, momentum= 10 times 5  :)

7 0
3 years ago
Which term describes this diagram
STALIN [3.7K]

Answer:

the answer is letter; C

Explanation:

4 0
3 years ago
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Where is the most of the liquid freshwater on earth located?
iren2701 [21]

Not sure but i will say D

6 0
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A horizontal line labeled B has an arrow labeled A strike it from right and above and then another arrow D emerges from the stri
patriot [66]

Answer:

c is the actual answer.

Explanation:

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3 years ago
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