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Question: Calculate the energy per photon and the number of photons emitted per second from a. A 100 W yellow light bulb (? = 550 nm): ans. 3.61 × 10-19 J, 2.77 × 1020/s b. A 1 kW microwave source (? = 1 cm). The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other movements. what is the rotational kinetic energy of the forearm
Write an expression for a R -state lightwave of angular frequency wand amplitude E0 propagating in the positive x-direction such thatat t=0 and x=0 the E-field points in the negative z-direction.
When the heater consumes 500 W of electric power, its surface has a steady temperature of 120°C. Determine the temperature of the heater surface when it consumes 700 W.
At a coal-burning power plant a steam turbine is operated with a power output of 465 MW. The thermal efficiency of the power plant is 31.6%. (a) At what rate is heat discarded to the environment by this power plant? (b) At what rate must heat be supp..
Angry Bird is launched horizontally with a slingshot with a speed of 6.07 m/s. how far away will the target need to be
A football is kicked at ground level with a speed of19.2 m/s at an angle of 34.8 degree to the horizontal. Evaluate how much later does it hit the ground
Find the difference of the initial and the final masses for the decay 137N?126C+p. The atomic masses of 137N, 126C,
A stone is dropped 100 m from rest off of a cliff in the mountains. You may assume that there is no air resistance. How long does it take to fall from 100 m below its starting point to 200 m below its starting point
Discover the times at which the magnitude of the acceleration is maximum. Discover the tangential component of acceleration (acceleration in the direction of motion) as a function of time. Discover the normal component of acceleration (acceleration p..
q. in 1909 robert millikan was the first to find charge of an electron in his now-famous oil drop experiment. in the
A fifteen-watt heater is used to heat a monatomic ideal gas at a constant pressure of 6.61 x 105 Pa. How long was the heater on
a golf ball is hit with an initial angle of 38.5deg with respect to the horizontal and an initial velocity of 81.5 mph.
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