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3 years ago

Describe the motion of an unanchored rowboat when a water wave passes

2 answers:

8 0

<span>The boat will move up and down because of the waves but it will not move forward because the wave doesn't carry the boat with it.

Hope this helps. </span>

USPshnik [31]3 years ago

6 0

It mimics the movement of the waves

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A baseball of mass 1.23 kg is thrown at a speed of 65.8 mi/h. What is its kinetic energy?

frosja888 [35]

Given:

The mass of the ball is

$m=1.23\text{ kg}$

The speed of the ball is

$\begin{gathered} v=65.8\text{ mi/h} \\ \end{gathered}$

Required: calculate the kinetic energy of the baseball

Explanation: to calculate the kinetic energy of a body we will use the formula as

$K.E=\frac{1}{2}mv^2$

first, we convert velocity from mi/h into m/s.

we know that

$1\text{ mi=1609.34 m}$

and

$1\text{ h=3600 sec}$

then the velocity is

$\begin{gathered} v=\frac{65.8\times1602.34\text{ m}}{3600\text{ s}} \\ v=29.29\text{ m/s} \end{gathered}$

now plugging all the values in the above formula, we get

$\begin{gathered} K.E=\frac{1}{2}mv^2 \\ K.E=\frac{1}{2}\times1.23\text{ kg}\times(29.29\text{ m/s})^2 \\ K.E=527.61\text{ J} \end{gathered}$

Thus, the kinetic energy of the baseball is

$527.61\text{ J}$

4 0

2 years ago

Cuando es cuadrangular o home run en el beisbol

Svet_ta [14]

Answer:

when it's home run or home run in baseball

Explanation:

i looked it up on google translate

8 0

3 years ago

A piano string having a mass per unit length equal to 5.00× 10⁻³kg / m is under a tension of 1350N . Find the speed with which a

DiKsa [7]

Based on the mass per unit length and the tension, the speed that the wave travels on this string is 519.615 m/s.

<h3>What is the speed?</h3><h3 />

The speed that the wave travels can be found as:

Velocity² = Tension / Mass per length

Solving gives:

Velocity² = 1,350 / 0.005

Velocity² = 270,000

Velocity = √270,000

= 519.615 m/s

Find out more on the speed of a wave at brainly.com/question/12215474

#SPJ4

8 0

2 years ago

____ is the force that moves people to behave, think, and feel the way they do, resulting in behavior that is energized, directe

pogonyaev

Answer:

Motivation

Explanation:

Motivation is the force that directs one's behavior. This force is required for repeated actions. There are two types of motivation:

Intrinsic

This type of motivation is comes from the individual

Extrinsic

This type of motivation is comes from an external influence.

Both conscious and unconscious factors influence motivation.

5 0

3 years ago

How long would it take light from the sun to reach mercury?

BARSIC [14]

About 499.0 seconds.....

7 0

4 years ago