Work = Force * distance
W = Fd
Given F = 500 N, d = 10 m
W = (500)(10)
W = 5000 J
The work done is 500 Joules. The time of 4 s is irrelevant in this case.
Answer:
i = 5.28 A
Explanation:
The magnetic force is given by the expression
F = i l x B
the bold letters indicate vectors, let's write the modulus of that expression, where the direction between the conductor and the magnetic field is 90º, therefore the sine 90 = 1
F = i l B
i = F / l B
let's reduce the length to the SI system
l = 10 cm (1m / 100 cm) = 0.10 m
let's calculate
i = 12.9 / 0.1 3.6
i = 5.28 A
Answer:
3.844 x 10 to the 5th power
Explanation:
Answer: Compressions and Rarefractions
Explanation: places where particles of a medium crowd close together are compressions and places where they spread farther apart are called rarefactions. The more energy the wave has the closer together the compressions can be and the farther apart the rarefactions will be.
Answer:
The charge is moving with the velocity of .
Explanation:
Given that,
Charge
Angle = 35°
Magnetic field strength
Magnetic force
We need to calculate the velocity.
The Lorentz force exerted by the magnetic field on a moving charge.
The magnetic force is defined as:
Where,
F = Magnetic force
q = charge
B = Magnetic field strength
v = velocity
Put the value into the formula
Hence, The charge is moving with the velocity of .