A school bus takes 0.53 hours to reach the school from your house. If the average speed of the bus is 19km/h, what is the displa
2 answers:
Answer:
The displacement of the bus during the trip is 10.07 km.
Explanation:
Given that,
Time = 0.53 h
Average speed of bus = 19 km/h
We need to calculate the displacement of the bus
Using formula of average velocity
Where, D = displacement
t = time
Put the value into the formula
Hence, The displacement of the bus during the trip is 10.07 km.
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Answer:
B = 0.135T
Explanation:
To find the magnitude of the magnetic field you use the following formula, for the torque produced by a magnetic field B in a loop:
(1)
τ: torque = 1.51*10^-5 Nm
I: current = 2.47mA = 2.47*10^-3 A
B: magnitude of the magnetic field
A: area of the loop = 4.97cm^2 = 4.97(10^-2m)^2=4.97*10^-4m^2
N: turns = 181
θ: angle between B and the magnetic dipole (same as the direction of the normal to the plane)
You replace the values of the parameters in (1). Furthermore you do B the subject of the formula: