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a) What force is needed to give amass of 20kg an acceleration of 30m/s2?
b) Find the accelerating force when a car having a mass of 1.7Mg enhances its speed with a constant acceleration of 3m/s2
c) A force of 40N accelerates a mass at 5m/s2.Verify the mass. [8kg]
d) Determine the force acting downwards on a mass of 1500g suspended on a string. [14.72N]
e) A force of 4Nmoves an object 200cmin the direction of the force. What amount of work is done?
An athlete run a certain distance before taking a long jump. Why?
Is low attenuation is a sign of good quality fibers? Usually yes low attenuation is a sign of good quality fibers, but within lighting fiber optics the manufacturer's attenua
calculate the amplitude of wave of y= (0.045m) sin x (5.2t+4.0x)
What is a monochromatic light? Ans: Breaking the word down mono denotes one and chromatic means of colour so a fairly literal translation for the adjective monochromatic w
Violet light (λ = 415 nm) falls on a slit that is 0.040 mm wide. The distance among the centers of the central bright band and the third-order dark band is 18.7 cm. What is
Illustrate the current-voltage (I-V) characteristic curves if a junction diode in reverse and forward bias.
A sinusoidal voltage trace displayed by an oscilloscope is shown in Figure. If the 'time/cm' switch is on 500µs/cm and the 'volts/cm' switch is on 5V/cm, find, for the waveform,
Q. What are electromagnetic waves? As-per to Maxwell a speed up charge is a source of electromagnetic radiation. In an electromagnetic wave electric as well as magnetic field
Radio waves and microwaves: What are microwaves and radio waves? Ans: Microwaves: 1. The wavelength ranges from 10μm to10m 2. Commonly produced by Electromagnetic osc
Explain the working of Transformers A transformer often uses a core, which looks like a square donut of iron, to change the voltage applied to the primary coil to a new larger
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