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2 years ago

When a bat hits a baseball, what is transferred from the bat to the ball?

Physics

1 answer:

GenaCL600 [577]2 years ago

4 0

Answer:

kinetic energy

Explanation:

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Jack and Jill have made up since the previous HW assignment, and are now playing on a 10 meter seesaw. Jill is sitting on one en

Airida [17]

Answer: 3 m.

Explanation:

Neglecting the mass of the seesaw, in order the seesaw to be balanced, the sum of the torques created by gravity acting on both children must be 0.

As we are asked to locate Jack at some distance from the fulcrum, we can take torques regarding the fulcrum, which is located at just in the middle of the length of the seesaw.

If we choose the counterclockwise direction as positive, we can write the torque equation as follows (assuming that Jill sits at the left end of the seesaw):

mJill* 5m -mJack* d = 0

60 kg*5 m -100 kg* d =0

Solving for d:

d = 3 m.

6 0

3 years ago

A plane has an airspeed of 142 m/s. A 30.0 m/s wind is blowing southward at the same time as the plane is flying. What must be t

const2013 [10]

Answer:

$\theta=12.19^{\circ}$

Explanation:

Given that

The speed of the airplane ,v= 142 m/s

The speed of the air ,u = 30 m/s

Lets take angle make by airplane from east direction towards north direction is θ .

Now by using diagram ,we can say that

$sin\theta =\dfrac{u}{v}$

Now by putting the values in the above equation we get

$sin\theta =\dfrac{30}{142}$

$sin\theta=0.21$

$\theta=12.19^{\circ}$

Therefore the angle will be 12.19° .

4 0

3 years ago

Do different fruits and vegetables sink or swim

Anni [7]

Some fruits and vegetables sink in water and some float in water. None swim.

3 0

3 years ago

Read 2 more answers

Consider two identical and symmetrical wave pulses on a string. Suppose the first pulse reaches the fixed end of the string and

Nesterboy [21]

Answer:

The amplitude of the resultant wave will be 0.

Explanation:

Suppose the first wave has an amplitude of A. Its angle is given as wt.

The second way will also have the same amplitude as that of first.

After the reflection, a phase shift of π is added So the wave is given as

$W_1=W_2=Acos(\omega t)\\W_1^{'}=Acos(\omega t+ \pi)$

Adding the two waves give

$W_1'+W_2=Acos(\omega t+ \pi)+Acos(\omega t)\\W_1'+W_2=-Acos(\omega t)+Acos(\omega t)\\W_1'+W_2=0$

So the amplitude of the resultant wave will be 0.

7 0

2 years ago

The period of a 261 Hertz sound wave is

adell [148]

The period is the reciprocal of the frequency. (1 divided by it)

Frequency = 261 / 1 second

Period = 1/261 second

= 0.00383... second (rounded)

4 0

3 years ago

Read 2 more answers

When a bat hits a baseball, what is transferred from the bat to the ball?​

When a bat hits a baseball, what is transferred from the bat to the ball?