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A 0.060-kg tennis ball, moving by a speed of5.44m/s , has a head-on collision with a 0.080-kg ball initially moving in the same direction at a speed of 3.80m/s . Suppose that the collision is perfectly elastic.
Part A
Decide the speed of the 0.060-kg ball after the collision
Part B
Decide the speed of the 0.080-kg ball after the collision
A diathermy machine, used in physiotherapy, generates electro magnetic radiation that gives the effect of "deep heat" when absorbed in tissue. One assigned frequency for diathermy is915.00 MHz. What is the wavelength of this radiation?
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