Answer:
Magnetic field, B = 0.042 T
Explanation:
It is given that,
Speed of charged particle,
Angle between velocity and the magnetic field,
Charge,
Magnetic force, F = 0.002 N
The magnetic force is given by :
B is the magnetic field
B = 0.042 T
So, the strength of the magnetic field is 0.042 Tesla. Hence, this is the required solution.
Answer:
Potential energy because it is not moving
Explanation:
A book on the edge of Sammy's desk will have a potential energy because it is not moving.
Potential energy is the energy due to the position of a body.
- This form of energy is the energy found in a body at rest.
Potential energy = mxgxh
m is the mass of the body
g is the acceleration due to gravity
h is the height of the body
K.E= 50,000 Joules= 1/2mv^2=1/2x1,000kgxv^2
v^2=2x50,000 Joules/1,000kg = 100m^2/v62
v=10m/s
The speed of the car is 10 m/s
Answer:
a) , b) , c)
Explanation:
a) Let assume that electric motor is single-phase and operates in DC-mode, so that mechanical power output is:
The current delivered to the motor is:
b) The power delivered to the motor is:
The energy delivered to the motor during 3.80 hours of operation is:
c) The cost to run the motor is: