How many photons are in the pulse
A laser emits a single, 3.0-ms pulse of light that has a frequency of 2.83 × 1011 Hz and a total power of 65 000 W. How many photons are in the pulse?
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Water flows through a horizontal tube of diameter 3.0 that is joined to a second horizontal tube of diameter 1.9 . The pressure difference between the tubes is 7.6. Find the speed of flow in the first tube
A dog pulls on a pillow with a force of 2.4 N at an angle of 20.1? above the horizontal a) What is the x component of this force?
If the tension in each chain at the lowest point is 350 N, find a) the child's speed at the lowest point and b) the force exerted by the seat on the child at the lowest point.
Identify any associated phenomenon with your selected behaviors, such as social facilitation, social loafing, or groupthink.behaviorDetermine if the exhibited s necessitate therapeutic intervention
Heather throws a rock straight down with a speed of 19 m/s. Jerry, at exactly the same instant of time, throws a rock straight up with the same speed. Ignore air resistance. How much time elapses between the first splash and the second splash?
The block slides 3.27 m from the point of release to the point where it comes to rest against the spring. When the block comes to rest, how far has the spring been compressed?
At 27 degrees C, Kp = 0.095 for the equilibrium: NH4HS (g) -> <- NH3 (g) + H2S (g). A sample of solid NH4HS is placed in a closed vessel and allowed to equilibrate. Calculate the equilibrium partial pressure (atm) of ammonia, assuming that s
What are the primary defining characteristics of a near-death experience (NDE) as identified by Raymond Moody, Jr. Does out-out-body experience provide scientific evidence for the existence of an afterlife, Why or why not?
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