PLEASE HELP NEED ANSWER NOW!!!
1 answer:
You might be interested in
There are some missing data in the text of the problem. I've found them online:
a) coefficient of friction dry steel piston - steel cilinder: 0.3
b) coefficient of friction with oil in between the surfaces: 0.03
Solution:
a) The force F applied by the person (300 N) must be at least equal to the frictional force, given by:
where
is the coefficient of friction, while N is the normal force. So we have:
since we know that F=300 N and
, we can find N, the magnitude of the normal force:
b) The problem is identical to that of the first part; however, this time the coefficienct of friction is
due to the presence of the oil. Therefore, we have:
a) coefficient of friction dry steel piston - steel cilinder: 0.3
b) coefficient of friction with oil in between the surfaces: 0.03
Solution:
a) The force F applied by the person (300 N) must be at least equal to the frictional force, given by:
where
since we know that F=300 N and
b) The problem is identical to that of the first part; however, this time the coefficienct of friction is
To calculate the number of electrons from spherical conductor first we use the formula,
Here, k is a constant with a value of , q is the charge and r is the radius and its value of 0.200 m.
Substituting these value in above formula, we get
or
Now number of electron,
Hence, the number of electrons to be removed from conductor would be
Answer:
Explanation:
The position depends on the time. The longer the time, the further the distance.
