Homemade milkshake(banana&strawberry)
Out of the following given choice:
A. The increase in
the airspace occupied by vinegar molecules
B. The chemical reaction with nerves, which is slower than
other sensory processes
C. Attractive forces between the air and vinegar molecules
D. Random collisions between the air and vinegar molecules.
<span>The answer is
D. While the particles may be
moving at high velocities even at room
temperatures, the delay is due to the numerous collisions
between the vinegar molecules and the air molecules.This changes the vinegar’s
molecules directions from straight lines to random unpredictable paths</span>
<u>Answer:</u>
The velocity of the bus be is 0 miles/second
<u>Explanation:</u>
Given, a bus travelled a distance of 20 miles north and 20 miles back to the starting point
Hence, total distance = 20 + 20 = 40 miles
Velocity is calculated by the formula:
Velocity =
Displacement =
Velocity =
Therefore, the velocity of the bus is 0 miles/second
Answer:
Density = 7 g/mL
Explanation:
Given that,
Mass of a sample, m = 14 g
Volume of the sample, V = 2 mL
We need to find the density of the liquid sample. We know that the density of an object is given by :
So, the density of the liquid sample is 7 g/mL.