A satellite of small mass burns during its descent and not during ascent. Why ?

Water and small solutes enter kidneys during

Water and small solutes enter kidneys during :

When a mountaineer who eats food, gets warm a lot during a climb and does a lot of mechanical work in raising himself upwards. When he descents, again he also gets warm during descent. Is the source of this energy the same as during the ascent.

What are the forces that maintain the continunity of water column during ascent of sap?

What are the forces that maintain the continuity of water column during ascent of sap.

What are the forces that maintain the continuity of water column during ascent of sap?

What are the forces that maintain the continuity of water column during ascent of sap?

Why are the temperatures very high during the day and cold during the nights in deserts ?

Assertion If in a projectile motion, we take air friction into consideration, then t_("ascent") lt t_("descent") . Reason During ascent, magnitude of retardation is greater than magnitude of acceleration during descent.