At sea level, a kilogram welghs approximately
2 pounds
10 pounds
5 pounds
1 pound

How manyatoms of mercury are in 1.4214e+1 ml sample

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space