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Marta_Voda [28]
3 years ago
10

What energy comes from swinging a bat

Physics
1 answer:
hjlf3 years ago
8 0

Answer:

Kinetic Energy

Explanation:

The potential energy is being converted into kinetic energy. The hitter has struck the ball transferring the kinetic energy from the swinging bat to the ball.

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Can you help me on this please
Vikentia [17]

Answer: the water level would rise since the pebble displaces minimal water compared to the boat.

Explanation:..........

8 0
3 years ago
You stand on a spring scale on the floor of an elevator. Of the following, the scale shows the highest reading when the elevator
Virty [35]

Answer:

move upward with increasing speed

I draw fbd diagram , see in figure

when lift going upward -

F - mg = ma

f = m( a + g)

scale so highest reading

5 0
4 years ago
A helix with 17 turns has height H and radius R. Charge is distributed on the helix so that the charge density increases like (i
marishachu [46]

The total charge on the helix is

  • Q = \frac{221}{2}\sqrt{(\frac{H}{17})^2+(2\piR)^2

Height of one turn = \frac{H}{n}

Horizontal distance in one turn = 2\pi R

<h3>length of spring in one turn is</h3>

l = \sqrt{h^2+(2\piR)^2}\\\\&#10;l = \sqrt{(\frac{H}{n})^2+(2\piR)^2}&#10;

So, the total length of spring

L = n*l\\\\&#10;L = n * \sqrt{(\frac{H}{n})^2+(2\piR)^2}&#10;

Therefore, charge on spring

Q = \frac{1}{2}*L*(13-0)\\\\&#10;Q = \frac{1}{2}*n\sqrt{(\frac{H}{n})^2+(2\piR)^2}*13\\\\&#10;Q = \frac{1}{2}*17*13\sqrt{(\frac{H}{17})^2+(2\piR)^2}\\\\&#10;Q = \frac{221}{2}\sqrt{(\frac{H}{17})^2+(2\piR)^2\\\\&#10;

For more information on linear charge density, visit

brainly.com/question/15359786

8 0
2 years ago
A train car with mass m1 = 515 kg is moving to the right with a speed of v1 = 7.5 m/s and collides with a second train car. The
Anna [14]

Answer:

For the first situation, we first need to find the mass of the second train car.

In order to do that, we apply the conservation of the amount of movement:

515*7.5+m2*0=(m1+m2)*4.8

and we have as a result:

m2 = 289.6875

For the second situation, also we will apply the conservation of the amount of movement:

515*7.5-289.6875*6 = (515+289.6875)*V

and we have as a result:

V = 2.64 (it is moving to the right)

6 0
3 years ago
22 points! if right I will give brainlyest
hammer [34]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ The dependent variable is the variable that is being measured.

In this case, the dependent variable is the amount of force required to stretch the spring.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

8 0
3 years ago
Read 2 more answers
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