Answer:
heliocentric is when the earth and the other planets revolves around the sun.
Explanation:
I'm not sure about which one but I do know what heliocentric is.
When Adam applies a ‘pull’ force on the pulley, there is an output force that the pulley lets out, directly pulling the object with it. We cannot always pull up objects with our bear hands, no matter how much force we apply. Which is why pulleys allow us to apply the force and pulleys do the work of pulling the objects for us, since work and force come hand in hand.
Neptune should be the right answer
Answer:A
Explanation:
A positively charged glass rod attracts object x. So, object x must be negatively charged or uncharged.
This occurs because opposite charges attract each other or either object x is uncharged and a negative charge is induced in it as glass rod approach the object x.
So option A is correct
Answer:
E) d_{2} = 4d_{_{1}}
Explanation:
We know that the range of a projectile is given by:

where:
u = initial velocity of the projectile
angle of projection of projectile
<u>Now, range for ball 1 :</u>

<u>Now, range for ball 2 with double velocity and all the other parameters being the same:</u>


