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Physics : Other

hi I was wondering the following:

lets say you have an infinite distance. is half of that distance also infinite? and 1/10 of that distance? and 1/1000000000000000 of that distance? and so on and so on.

if this proposition is true then I think it is an easy way that shows the universe cannot be infinite long, just because of the simple fact that we can move through space.

if the distance we moved was infinite long, it would take forever no?

lets say you have an infinite distance. is half of that distance also infinite? and 1/10 of that distance? and 1/1000000000000000 of that distance? and so on and so on.

if this proposition is true then I think it is an easy way that shows the universe cannot be infinite long, just because of the simple fact that we can move through space.

if the distance we moved was infinite long, it would take forever no?

Consider a straight stick standing on the end of frictionless ice.what would be the path of its centre if gravity if it falls

Physics : Other

Describe kingdom plantae?

Physics : Other

Give scientific reason: (1)Milk sour rapidly in summer than winter(2) Aqueous solution of NH4Cl is acidic while Na2CO3 is basic.

A FORCE OF 15 NEWTON ACT ON A BODY OF MASS 5 KG FOR 2 SECONDS .WHAT IS THE CHANGE IN VELOCITY OF THE BODY?

Physics : Other

A golf ball of mass of 45 g is dropped from the low orbit of the earth (an altitude of 1000 km). Assuming it was initially at rest with respect to the earth and neglecting the air resistance, answer the following

A)With what speed does the golf ball hit the earth's surface?

B) With what kinetic energy does it hit?

A)With what speed does the golf ball hit the earth's surface?

B) With what kinetic energy does it hit?

Physics : Other

The methods of science

Physics : Other

two charges-16 and +4c,are fixed in place and separated by 3.0m. at what spot along a line through the chrages is the net electric field zero? what would be the force on a chargeof +14c placed at this spot?

Physics : Other

Two particles A and B are projected in verticle plane with intial speed 2u and u from point(0,0) and (l,0) towards each other.distance between A and B is l and t=0 angle 60°.what is the path of A with respect to particle B.

Physics : Other

A train is moving with velocity 54 km hr-1 is accelerated so that it's velocity becomes 72 km h-1 in 15 seconds . Find the acceleration of the train.