Answer:
It is called centripetal force.
Explanation:
When an object moves in a circular path, it experiences a centripetal force which always acts towards the centre of the circular path.
The formula of the centripetal force is given by
where, m is the mass of the object, v be the speed of the object and r be the radius of circular path.
Cacu. H2SO.chemical properties related to the used in chemical property
Answer:
D.
Explanation:
Mass is conserved that means you can not change it, it is an absolute quantity.
Weight however is depanded on the mass of the planet that it is measured on it is by definition force that an object excerts downwards due to graity.
More gravity means more for.
Planet X has twice the mass of planet y so on planet X spaceship will have more weight.
Option D fits it.
<span>A former “supercontinent” on the Earth. In the distant past a large landmass, Pangaea, included all the present continents, which broke up and drifted apart. :)</span>
Answer:
Explanation:
The first part of question is about the height of the rock from which it falls and hit the ground with speed of 11 m/s. Lets find out that height.
We will use the formula,
As the initial velocity of the rock was zero.
Now we have to find the height from which the rock should be dropped and it's speed on hitting the ground should be 22 m/s.
Again we will use the same formula, same calculation but the value of velocity now should be 22 m/s.