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Vlad [161]
3 years ago
9

An objects mechanical energy never changes it simply changes between

Physics
1 answer:
tatiyna3 years ago
4 0
Actually moving and not. It is the sum of potential and kinetic energy.
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9.
zepelin [54]
A I believe it would be true
8 0
3 years ago
Sound waves are a longitudinal wave that have a speed of about 340 m/s when traveling through room temperature air. What is the
AlexFokin [52]

The wavelength of the wave is 0.055 m

Explanation:

The relationship between speed, frequency and wavelength of a wave is given by the wave equation:

v=f\lambda

where

v is the speed

f is the frequency

\lambda is the wavelength

For the sound wave in this problem we have

v = 340 m/s is the speed

f = 6,191 Hz is the frequency

Solving for \lambda, we find the wavelength:

\lambda=\frac{v}{f}=\frac{340}{6191}=0.055 m

Learn more about waves and wavelength:

brainly.com/question/5354733

brainly.com/question/9077368

#LearnwithBrainly

8 0
4 years ago
Velocityis a vector quantity which has both magnitude and direction. Using complete sentences, describethe object's velocity. Co
mr_godi [17]

Answer:

Explanation:

A physical quantity which can be completely described by the magnitude and direction both are called vector quantities. For example, displacement, velocity, etc.

A physical quantity which can be completely explained by the magnitude only is called scalar quantity. For example, mass, time, etc.

8 0
4 years ago
If a football player collides with a goal post, what forces are at work?
AlekseyPX
When a footballer collides with the goal post, the forces at work are the action and reaction forces. The player will exert an action force on the goal post, and then a reaction force from the goal post will stop the player. The reaction force call will cause pain and even injury to the player.
7 0
3 years ago
How long does it take an airplane to fly 1500 miles of it maintains a speed of 600 miles per hour?
prisoha [69]
2.5 hours. divide 15000 by 600




7 0
4 years ago
Read 2 more answers
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