What is a common use for the physicians Desk Reference PDR

1 answer:

7 0

The PDR is a thick volume that commonly used to provide guidance for prescription drugs available in the United states. The PDR is the most commonly used drug reference . The information is the same as the leaflet found in the drug package also known as the package insert. Drug companies pay to have their drugs included, so many generic medicines will not be found in the book.

For over 60 years, physicians and researchers have turned to PDR for the latest word on prescription drugs. It includes comprehensive and up-to-date information on more than 4000 FDA approved drugs.

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lidiya [134]

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Novay_Z [31]

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If it had been thrown with twice the speed in the same direction, it would have hit the ground in If it had been thrown with twi

Semmy [17]

Answer:

The ball will reach the ground in 0.8s

Option C

Explanation:

Given:

- Takes t = 0.8 s for ball to reach ground when thrown horizontal from top of a building.

Find:

If it had been thrown with twice the speed in the same direction, it would have hit the ground in how many second.

Solution:

- We know that the amount of time taken to hit the ground is determined by the vertical distance i.e height at which it is thrown. The displacement of ball from top is given by:

S_y = S_o + V_i,y*t + 0.5*g*t^2

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We also know that the ball os thrown horizontally; hence, y-component of initial velocity is zero. V_y,i = 0

0 = h + 0 + 0.5*g*t^2

- Hence, the time taken t is:

t = sqrt ( 2h / g)

- The time taken to reach the ground is independent of the initial speed. Hence, the ball will reach the ground in 0.8s .

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3 years ago

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eimsori [14]

v= s/t