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d- ultrasonic wave heatingthese waves are different from electromagnetic waves it produces mechanical vibration inside tissue it is the same as the
microwave diathermythe microwave diathermy can be produced in special tube which can be placed several inches from the region to be treated
b-infrared ir radiant heatheat radiation can be achieved by using infrared ir radiation it penetrates about 3mm in the skin excessive exposure
if joe rides his bicycle in a straight line for 15 min with an average velocity of 125 kmh south how far has he
in an amusement park ride called the roundup passengers stand inside a 190 -diameter rotating ring after the ring has acquired sufficient speed it
what is the shortest possible time in which a bacterium could travel a distance of 84 cm across a petri dish at a constant speed of 35
can a charge by any means today travel from a source to a sink wirelessly is there any technology to support
common dime-store cells and batteriesthe cells you see in the grocery department drug and hardware stores which are popular for use in household
kinetic and potential energyenergy can exist in of 2 main forms kinetic energy is the kind of energy you probably think of right away when you
a cat climbs 20 m directly up a tree what is the horizontal component of the cat3939s
a child in danger of drowning in a river is being carried downstream by a current that has a speed of 275kmhr the child is 0620km from shore and
how can we conclude whether at some time interference will take place or not with the help of the concept of temporal
south african frogs are capable of jumping as far as 100m in one hop suppose one of these frogs makes exactly 15 of these jumps in a time interval of
a packed parachute is dropped from rest from an airplane a daredevil is launched straight down rom the plane 300s later neglecting air resistance the
car travelling 60 km per hour overtakes another car travelling at 42km per hour asuming each car to be 5metre long find totoal time taken during the
explain why easier to pull a lawn roller than to push itexplaination in pullingeffective weight of lawn mover mg-fsinxin pushingeffective
explain natural physics concerned aboutsolution natural physics is the branch of physics which deals the physics related to naturefor
if 109 electrons move out of a given body to another body every second how much time is required to get a total charge of 1c of the other
a streamlined body given relative density rho1 falls into air from a height h1 on surface of a liquid of relative density rho2 where rho2 gt rho1
what is huygens principle and explain its
a 3253 n light hangs at equilibrium from two cables at angles 783 and 602 with respect to the ceiling what is the tension in the first cable
at what angle should a body be projected with a given velocity 24ms just to pass over the obstacle 14m high at a given distance of
an attacker at the base of a castle wall 365 m high throws a rock straight up with speed 740 ms at a height of 155 m above the ground a will the rock
describe the construction and working of michelson3939s interferometer explain the formation of circular fringes how will you use these fringis in
moment centre of mass and centroidmoment of force is tendency of the force to twist or rotate an object a measure of the bodys resistance to the