Ahollow sphere (of negligible thickness) with no load, with a radius of 8.00 cm, surrounds a charge of 20.00 μc located at the origin of a cartesian coordinate system. a 2.00 mm radius drill is aligned along the z axis and a hole is made on the surface of the sphere. calculate the electrical flow through the borehole.

a

39.3 n*m2/c

b

17.7 n*m2/c

c

587 n*m2/c

d

35.3 n*m2/c

e

353 n*m2/c

The electrical flow through the borehole is 353 Nm²/C.

(e) is correct option.

Explanation:

Given that,

Radius = 8.00 cm

Charge = 20.00 μC

radius of drill = 2.00 mm

We need to calculate the electrical flow through the borehole

Using formula of electric flow

Where, q = charge

R = radius of sphere

r = radius of drill

Put the value into the formula

Hence, The electrical flow through the borehole is 353 Nm²/C.

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

490 n

f=125n a=2.5m/s2