ना काह बर डुलर फाकया भन त्याह काठाका हाथा from
During wirter season, we feel the air of the bed-room cold as we get up
bed but when we stroll sometime in open air and return into the bed room,
the air of the same room is found warm, why?​

In science and physics what is the standard unit of measure for speed?

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?