Answer:
If a negatively charged balloon is brought near one end of the rod but not in direct contact, then <u>the negative charges on the balloon repel the same amount of negative charges on the end of the rod that is close to the balloon</u>, and the positive charges stay at the balloon-side of the rod. The total charge of the rod is still zero, but the distribution of the charges are now non-uniform.
B. Can be hurried up once you have it memorized.
Explanation:
A good stretching routine should not be hurried because it has been memorized. This is a bad stretching habit and should not be encouraged in daily routines.
- Stretching helps to flex the muscle gently after a period of inactivity or over activity.
- It ensures that our muscles are well straightened out and perfectly in shape.
- A full body stretch should last a minimum of about five minutes.
- Stretching helps to improve tissue elasticity and their flexibility
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Answer:
The image behind the mirror is called a virtual image because it cannot be projected onto a screen—the rays only appear to originate from a common point behind the mirror. If you walk behind the mirror, you cannot see the image, because the rays do not go there
Answer with Explanation:
We are given that
Charge on alpha particle=q=2 e=
1 e=
Mass of alpha particle=m=
Potential difference,V=
Magnetic field,B=3.49 T
a.Speed of alpha particle=v=
By using the formula


b.Magnetic force,F
F=
c.Radius of circular path, r=

r=0.084 m