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wrench from the top of an 80 m high tower what is the velocity of the wrench when it strikes the
an express train traveling at 360 ms is accidently sidetracked onto a local train track the express engineer spots a local train exactly 100 m ahead
state biot savart law and hence calculate magnetic induction due to current in a circular coilof wire at a point on its
a dock worker loading crates on a ship finds that a 24kg crate intially at rest requires a 65n horizontal force to set it in motionhoweverafter the
a mild steel wire of length 1mand cross sectional area 0102 cm2 is stretched within the elastic limit horizontally between two pillars a mass of 100g
it normally takes maria 10 minutes to travel 50 miles to utpa along a straight road maria leaves home 15 minutes before class begins delays caused by
a pendulum is timed first for 20 swings and then for 50 swings time for 20 swings 174 sec and time for 50 sec 432 calculate the average time per
a block initial located 3m up a frictionless inclined plane is given an initial velocity of 6ms up the ramp the plane is 10m long and titled by 30
so i have a question here and i am totally lost a car starts from rest and accelerates at a constant rate of 11 ms2 if the radius of the car wheels
an automobile travels due north with a speed of 93 kmh and an acceleration of 16 ms2 all forces considered the unbalanced force acting on the auto
does the moment of inertia of a cylinder change if the direction of the rotation axis is changed but it still goes through the center of
a beam of electron is incident on barrier 6ev high and 02 nm wide find the energy in ev these should have if 1 of them are to get through the
the process of transformation of one element into another by bombarding it with high energy particles is called artificial transmutationartificial
radio active seriesthere are three radio active series depending on their progenitorthey arei uranium series called 2n2 seriesii actino-uranium
radiography and depletion of ozone layerwhat is radiography a the method in which soft x-rays are used in medical diagnosis is called
infrared radiations and ultra violet radiationswhat are infrared radiations and ultra violet radiationsans infraredwavelengths larger than visible
electromagnetic radiationswhat are the common features among all the electromagnetic radiationsans 1 they all can be described in terms of
radio waves and microwaveswhat are microwaves and radio wavesans microwaves1 the wavelength ranges from 10mum to10m2 commonly produced by
spectrum and electromagnetic radiationswhat is a spectrumans a spectrum is a group of wave lengths or frequencieswhat are the electromagnetic
dispersion and impure spectrumdispersion the phenomenon due to which a polychromatic light splits into component colours when passed through a
uses of radio isotopes used inimedicineii industryiii agricultureiv meteorology andv radio active
uv radiations and x - rays areuv radiations are produced by the high energy transitions of the electrons in atoms uv radiations have
microwaves and radio wavesmicrowaves are produced by high frequency electromagnetic oscillators in electric circuits microwaves are