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Considering the encircle part of the pumping system as shown below. Assuming a fresh water flowing in the discharge pipe with a velocity of 5 m/s.
A 4.5 C charge requires an 8.0 J to move it from point X to Y, where the potential
difference is 1.5 V. Calculate (a) the potential difference between points X and Y. (b) the
potential at point Y.
What is the magnitude of the electric force of attraction between an iron nucleus
(q = −26e) and its innermost electron if the distance between them is 1.5 × 10−12m?
Dynamic viscosity of oil used for lubrication between a shaft and a sleeve is 0.8Ns/m². The shaft is of d=0.5m and rotates at 190rpm. Calculate the horsepower lost in bearing for a sleeve length of 0.1m. Thickness of oil film is 2mm
How much is the capacitance if the voltage is 40 V and the equivalent charge of the circuit is 2 C?
The image above is a neat copy of a photo of an electricity meter for a domestic solar array. The display shows the energy we sold to the electricity company on a winter's day. Between 7 a.m. and 5 p.m., how many kilowatt hours did this household sell to the electricity company? E =
E= _____ kW.hrs
. Give your answer to two significant figures.
Each box is 100 W
high and 1 hr
wide.
A curling stone is given an initial velocity of 18.4m/s across ice rink. If the coefficient of friction between the stone and the ice s 0.054, how far will the stone travel before it comes to a stop.
Determine the charge in each capacitor and the voltage across each capacitor in circuit B
Given : V3=5V
A=-5i+6j-5k
B=7i+8j+4k
Find A×B
A solenoid of length 2.2m has a diameter of 0.9. The magnetic field at its centre is 0.4tesla . estimate the energy stored in the field of this coil.
