True, they represent the direction of motion
Answer:
Mass velocity and radius are all related to centripetal force
Explanation:
By frequency of its rotation and the radius of the circular path along which objects moves
. Methylated spirits have ethanol as a base but may include methyl alcohol (methanol) as part of the denaturing process.
Answer:1265 N
Explanation:
Given
acceleration of motorcycle 
Velocity 
Air friction and Friction
mass of the motorcycle with rider
Applying Forces on motorcycle




Answer:
the exposed core of a dead star, supported by electron degeneracy pressure.
Explanation:
A white dwarf is a low luminosity exposed core of a dead star having mass comparable to the sun but volume comparable to the earth . So its density is very high . These stars have lost the capacity to generate energy through the process of fusion . Due to high gravitational energy , it goes on shrinking but ultimately balanced by electron degeneracy pressure. It is not a main sequence star as it has lost the power of fusion .