I’m confused what exactly your question is?
Answer:
Because of the transfer of electrons from hairs to the brush.
Explanation:
In winters, the hairs on brushing usually stands on the ends because when the hairs are rubbed by the brush separation of electrons take place from the parent atoms' nuclei on the hairs and thus the hairs are left positively charged.
Normally the charges are stay together and rectify the effect of each other as one is positive and the other is negative thus making the atoms neutral.
The process due to which the hairs acquire positive charge is known as charging by friction.
Physics is explicitly involved in studying <span>the motion of a spacecraft under gravitational influence. Thus the answer is C.
Physic focuses more on the measurement, gravity, distances, acceleration and motion. THough all the choices are sciences but the C. is the topic that physics is involved.</span>
Answer:
Dear user,
Answer to your query is provided below
Acceleration is zero because of no change in velocity.
Explanation:
Remember that velocity is a vector quantity and a vector can change in 3 ways
•Magnitude only
•Direction only
•Both magnitude and direction.
Now the magnitude of velocity (speed) can stay constant while the direction is changing. This is the case in circular motion.
In the question above, it is mentioned that the girl is moving along a straight road. Therefore no change in direction of velocity.
