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Light from a sodium lamp (λ=589nm) illuminates a narrow slit and is observed on a screen 66.5 cm behind the slit. The distance between the first and third dark fringes is 7.50 mm. What is the width of the slit?
How far does the system therefore travel during this time (solve using energy considerations)?
In a skating stunt known as "cracking-the-whip," a number of skaters hold hands and form a straight line. estimate the magnitude of the centripetal force that acts on him
A football is kicked across a level field. The ball spends 2.53 s in the air and lands 55.9 meter from the point where it was kicked. Find the speed of the ball at the top of its trajectory
A braking force is applied to a 300kg motorcycle to reduce its speed to reduce its speed from 20.0m/s to 16.0m/s in 10.0s. find the change that has taken place in the momentum of the motorcycle
7.0×10?3mol of gas undergoes the process shown in the figure. What is the initial temperature? What is the final temperature
Lab- Simple Harmonic Motion. Objective: To find the spring constant of a spring in two ways (static and dynamic)
The build-up of plaque on the walls of an artery might decrease its diameter from 1.1 cm to 0.71 cm. The speed of blood flow was 14 cm/s before reaching the region of plaque build up. Discover the speed of blood flow within the plaque region.
A professional golfers club strikes a ball on a T and lunch is the ball at an angle of 40°. Which one of the following statements concerning the acceleration of the ball is true, if the effects of air resistance are ignored? While the ball is in the ..
A 0.400 glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750 when it makes a head-on collision with a stationary 0.150 glider. Find the final kinetic energy of second glider
A skier of mass 104 kg travels down a frictionless ski trail. Find the velocity of the skier when he reaches the bottom of the ski trail. Assume he starts from rest
A 47.0 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 26.0 m. obtain the kinetic energy of the ball at its highest point
A student wearing frictionless in-line skades on a horizontal surface is pushed by a friend with a constant force of 23.00N. How far should the student be pushed, starting from rest, so that her final kinetic energy is 283J.
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