False. Ray AB starts at point A and continues through and infinity beyond point B. Ray BA is the reverse. in the name of a Ray the starting point always comes first.
<span>When an atomic nucleus emits a beta particle, "Atomic number remains same"
Hope this helps!</span>
The pillow will continue to go forward as Newton's first law states that an object will continue in it's path unless another force acts upon it
Answer: e ven though the man exerts force on the wall , the wall does not move. Work done = force applied * displacement and since the displacement of the wall is zero. , work done is also zero
Explanation:
According to momentum conservation
15*3 = 45kgm/s
and the velocity of 5 kg mass will be
45/5 = 9 m/s
