The synodic period for a planet is different from its sidereal period because

Physics

1 answer:

IrinaK [193]3 years ago

5 0

<span>Earth (and hence the observer) moves.</span>

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A sound wave is created in an unknown substance with a frequency of 24kHz. Using extremely sensitive sensors, it is determined t

lisov135 [29]

velocity is of sound id defined as distance covered by sound per unit time

here given that

distance covered by sound = 3.5 m

time taken by the sound = 0.919 millisecond

So the velocity of sound will be given as

$v = \frac{d}{t}$

$v = \frac{3.5}{0.919* 10^{-3}}$

$v = 3808.5 m/s$

so the speed of sound in the given medium is 3808.5 m/s

As we know that speed of sound in any substance is given as

$v = \sqrt{\frac{E}{\rho}}$

As per the data available online the speed of sound in gold is 3250 m/s while speed of sound in glass is 4500 m/s

So here we can say the above speed is in between these two mediums whose elasticity and density ratio is more than gold but less than glass.

So this velocity of sound is nearly match with the data obtained for copper

So this speed is approx obtained in copper

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4 years ago

the best way to describe the rate of motion of an object that changes speed several times is to calculate the objects what

aliya0001 [1]

Calculating the resisting force against the object in motion.

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4 years ago

Ball A is allowed to fall and strike ball B. Assume that all of ball A's energy is transferred to ball B at point I, and that th

Alika [10]

Answer:

Explanation:

If no Energy is lost ( either as Sound energy or any other energy) the total energy of ball A equals the total energy of ball B

Therefore the Kinetic Energy of Ball B equals the Total Energy of Ball A minus the Potential Energy of Ball A

K. E = T. E - P.E

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4 years ago

Read 2 more answers

Which of the following is an example of acceleration?

Naddika [18.5K]

Answer:

Explanation:

When a satellite is orbiting the earth , a constant force is being applied on it which means it must has acceleration. Also the direction of satellite is always being changed when it is orbitting to there is always change in the velocity vector which means acceleration.

You can view in the attached diagram to understand how the velocity is being changed.