A. The sound will decrease in volume
Answer:b) atoms
Explanation:which are in turn made up of protons, neutrons and electrons
Answer:
force-strength,power or energy as an attribute of motion, movement or action. Example: Frictional force.
Air resistance doesn't appear in the formula for gravitational force, because it doesn't affect it. Mass does because it does.
Answer:51.44 units
Explanation:
Given
x component of vector is 
y component of vector is 
so position vector is

Magnitude of vector is


|r|=51.44 units
Direction

vector is in 2nd quadrant thus

