Solar energy ....................
Box-1 . . . D
Box-2 . . . B
Box-3 . . . A
Box-4 . . . C
Momentum of an object is defined as product of mass and velocity
so it is given as

here it is given that
mass = 0.15 kg
momentum = 6 kg m/s
so by plug in values in the above equation



so its speed will be 40 m/s
In the front is where the bass of everything comes from so it’s generally louder up there and toward the back there’s not as much bass to the music more just hearing the singer and other people screaming
You will get 20460000 as your answer which is broken down into, 2.046 x 10^7 as your number has to be between 1-10.