Explanation:
If you wrap some of the wire around the nail in one direction and some of the wire in the other direction, the magnetic fields from the different sections fight each other and cancel out, reducing the strength of your magnet
The force on the spring is the weight of the object, 13.2*9.8 = 129 Nx = 5.93 cm =0.0593 m129 = k(0.0593)k = 2181 N/m
Answer:
The right solution is "50200 days".
Explanation:
Given:
Calories intake,
= 6000 kcal,
or,
= 
Force,
= 500 N
As we know,
⇒ 
Or,
⇒ 
By putting the values, we get



hence,
The number of days will be:
= 
= 
Yes, statics is not always a stationery.
1 gram of the barium 131 would be left after 10 days. since the half life is 10 days, you would divide the 2 grams by 2, leaving you with 1 gram.