Answer:2t
Explanation:
Given
Jason throwing watermelon at speed v and it spend t time in air
time to reach max height

0=v-gt'

and time to reach bottom is also t'
t=2t'

For guy throws his watermelon at speed 2v
So total time in air will be


t''=2t
Solid is a state
of matter having no space in a volume, made entirely of compact material.
Solute is a
dissolved substance is a dissolved substance in a solution.
Solution is the
one that dissolves the solute.
Solvent is the
one that dissolves either a solution or solute.
Based on the
definitions, the answer is letter B. solute.
<span> </span>
Let the mass of 2500 kg car be
and it's velocity be
and the mass of 1500 kg car be
and it's velocity be
.
After the bumping the mass be M and it's velocity be V.
By law of conservation of momentum we have

2500 * 5 + 1500 * 1=4000 * V
V = 14000/4000 = 7/2 = 3.5 m/s
So the velocity of the two-car train = 3.5 m/s
The answer is C guide and inspire good conduct
Answer:
I think
D : Hydrogen gas has two atom , and oxygen has one atom