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Two slits are illuminated with green light (=540nm) The slits are 0.05mm and the distance to the screen is 1.5m At what distance (in mm) from the central maximum on the screen is the average intensity 50% of the intensity of the central maximum?
An object is launched upward with initial velocity 10.0m/s. What maximum height can it reach
We can approximate an electron moving in a nanowire as a one-dimensional infinite square-well potential. Let the wire be 2 μm long. The nanowire is cooled to a temperature of 13K, What are the three lowest energy levels of the electrons
Ground beef may be irradiated with high-energy electrons from a linear accelerator to kill pathogens. What is the average rate (in W) of energy deposition in the beef
A 1290-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1805-N crate hangs from the far end of the beam. find the magnitude of the tension in the wire
A 72 skydiver can be modeled as a rectangular "box" with dimensions 25 cm*40cm* 1.8m . What is his terminal speed if he falls feet first
Romeo and Juliet want to elope. It is a cold Italian day with ice on the ground. the coefficient of static friction between the ladder and the ice is .15. what's the maximum that Juliet can weigh
Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. What is the terminal speed for this object in this liquid
A rubber ball of mass 149 g is thrown directly at a wall with a speed of 4.7 m/s. what is the magnitude of the impulse imparted by the wall on the ball
A container of cross-sectional area 102 cm2 contains liquid of density 1.95 g/cm3 to a height of 6.60 cm above a small hole of area 1.00 cm2 in the side. Find the flow rate through the hole
a ball is hurled straight up at a speed of 15.0m/s, leaving the hand of the thrower 3.00 m above ground. What is the total distance traveled by the ball just as it passes the window the second time
q1. an electric force of 4.0 n exists between two objects separated from each other by a distance of r. if the distance
If an experiment were done with a bow and arrow, when shooting the arrow what motion would it make. A diagram would be helpful. What causes the arrow to move horizontal, and what causes the arrow to move vertical? And why do the 2 motions (horizontal..
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