Gravitational potential energy :)
Put a parashoot on it so it touches the ground lightly and carefully
Answer:
Magnitude is 25.8 m/s and direction is 
Explanation:
From the law of conservation of linear momentum
where 
and 
are masses of bullet and stones respectively, 
and 
are the initial velocities of bullet and stone respectively, 
and 
are the final velocities of bullet and stone respectively
Substituting 6g=0.006 Kg for mass of bullet, 0.1Kg for mass of stone, 350 m/s for initial velocity of bullet and 250 m/s as final velocity for stone but initial velocity of stone is zero
Substituting 21 for 
and 15 for 
To find direction
Therefore, magnitude is 25.8 m/s and direction is
Explanation:
<h2>the expression of x= -4t+2t^2 where x is displecement?</h2>
The easiest way I know to explain it is this:
-- Take a flashlight and a ball into a dark room.
-- Turn on the flashlight and point it at the ball.
-- Half of the ball is lighted up by the flashlight, and the other half is dark.
-- There is no way you can turn or twist the ball to make more or less
than 50% of it lighted up and more or less than 50% of it dark.
<em>Everything</em> in the solar system ... as long as it's shaped like a ball ... is
half illuminated by the sun and half dark.
