Answer:
a = 0.55 m / s²
Explanation:
The centripetal acceleration is given by the relation
a = v² / r
angular and linear velocities are related
v = w r
we substitute
a = w² r
In the exercise they indicate the angular velocity w = 1 rev/min, let's reduce to the SI system
w = 1 rev / min (2pi rad / 1rev) (1min / 60s) = 0.105 rad/ s
let's calculate
a = 0.105² 50.0
a = 0.55 m / s²
The total work done by the electric field on the charge is given by the scalar product between the electric force acting on the charge and the displacement of the charge:

where the force is F=qE, d=0.556 and

. Using the value of q and E given by the problem, we find
Answer:2
Explanation:
Given
Velocity of bicycle is 5 m/s towards north
radius of rim 
mass of rim 
Angular momentum 


direction of Angular momentum will be towards west
The first person = A
The second one = B
velocity of A = 3 km / h
velocity of B = 4 km / h
Distance of A = 3t
Distance of B = 35 - 4t
At what time do they meet?
3t = 35 - 4t
7t = 35
t = 5 hours
7 a.m. + 5 hours = 12 p.m.
Answer:
Minimum DC current
Ampere
Voltage
V
Explanation:
Here in this questions three resistors are used in series
Resistance of cap circuit

Here
is the resistance per cap
Resistance of bus wire

Where
is the resistance per
feet of bus wire of gauge 16
Resistance of firing line

where
is the resistance per
feet of bus wire of gauge 14
Total resistance is equal to

Current in firing line is equal to

Voltage is equal to product of resistance and current
