Potential energy is first transformed into kinetic energy as she pedals, then gravitational as she coasts down the hill.
Answer:
560 m/s
Explanation:
Given,
Frequency ( f ) = 80 hz
Wavelength ( λ ) = 7.0 m = 7m
To find : Velocity ( v )
Formula : -
v = f λ
v = 80 x 7
v = 560 m/s
Hence, the velocity of the wave is 560 m/s.
Answer:
PLEASE MARK AS BRAINLIEST!!
Explanation:
A getting passenger getting down from a moving bus, falls in the direction of the motion of the bus. This is because his feet come to rest on touching the ground and the remaining body continues to move due to inertia of motion.
Hey there!
Here is your answer:
<u><em>The proper answer to this question is "Earth, and Mercury".</em></u>
Reason:
<u><em>Mercury</em></u><span><u><em> has a density of 5.427 g/cm³</em></u>
<u><em>&</em></u>
</span><span><u><em>Earth has a density of 5.515 g/cm^3</em></u></span><u><em /></u>
<em>Therefore the dense planet is Earth.</em>
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit