Resisting force is a) 40 )
b) 400 J
C) 4000 J
d) zero
In which of the following cases work done be maximum when the body is moved through a distance 'S'
on the ground
Ich
3.
F
F
309
F
600
450
R
S)
Р)
Q
b) R
c)
d) S
a) P
in his hand If he covers a distance

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.