What virus is frequently transmitted by food handlers who are careless about hygiene?

What will be an ideal response?


Hepatitis A

Physics & Space Science

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The vertical displacement y(x,t) of a string stretched along the horizontal x-axis is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 rad/s)t]

(a) What is the minimum time for each complete cycle of the wave? (b) What is the distance between adjacent crests of the wave? (c) How fast does this wave travel?

Physics & Space Science

A projectile is projected from the origin with a velocity of 15.0 m/s at an angle of 30.0 degrees above the horizontal. What is the location of the projectile 2.00 seconds later?

A. X = 4.60 m, Y = 9.60 m B. X = -26.0 m, Y = -26.0 m C. X = -36.0 m, Y = -4.60 m D. X = 26.0 m, Y = -4.60 m E. X = 46.0 m, Y = 4.60 m

Physics & Space Science

Briefly describe two key pieces of evidence that support the Big Bang theory.

What will be an ideal response?

Physics & Space Science

The region on the H-R diagram where pulsating variables occur is called the:

A) period-luminosity relation. B) mass-luminosity relation. C) instability strip. D) horizontal branch. E) main sequence appendix.

Physics & Space Science