1. Light Travelling from denser medium to less dense medium
2. Light Travelling from less dense medium to denser medium
Radio waves in a vacuum travel at the speed of light because they are a type of electromagnetic radiation like a light has been measured as traveling at 3×10^8 m/s in a vacuum.
Charged particles that are accelerating, like time-varying electric currents, are what produce radio waves. Radio and television signals are transmitted using radio waves, and microwaves used in radar and microwave ovens are also radio waves. Radio waves are emitted by a lot of celestial bodies, including pulsars. High RF exposure levels have the potential to heat biological tissue and raise body temperature. The body's inability to handle or remove the extra heat that could be generated by high RF exposure in humans could result in tissue damage.
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Answer:The kinetic energy will decrease.
Explanation:As potential energy increases kinetic energy will increase, as kinetic or potential energy decreases, the kinetic or potential energy will decrease
Answer:
<em>Ecologist</em><em>.</em>
<em> </em><em> </em><em> </em><em> </em><em> </em><em>Your</em><em> </em><em>answer </em><em>is</em><em> </em><em>Ecologist</em><em>.</em>
Answer:
GIVEN
u is 40m/s and v=60m/s
time is 4s
therefore acceleration =60-40/4
=20/4=5m/s^2
b)next 2 sec=70m/s
