Answer:
Q1: (a)
so
Q2:
this is the radius in meter
diameter = 2r
in this i don't know which choice is the right answer
Q3:
so
again there is no correct answer
Answer:
3.176hours
Explanation:
270/85=3.126 hours DISTANCE / SPEED = TIME
Answer: B. have flowing water either episodically or during only a portion of the year
Explanation:
Ephemeral stream is a type of temporary stream that flows after rainfall or precipitation. Such streams are seasonal streams and are common in extremely dry or arid regions. This type of stream is not connected to any other water source either ground water or surface water except from rainfall, such streams ceases to flow after the raining season and dry off.
Answer:
Gravitational potential energy is energy an object possesses because of its position in a gravitational field. Since the force required to lift it is equal to its weight, it follows that the gravitational potential energy is equal to its weight times the height to which it is lifted.
