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A stream of gas molecules by a mass of m is incident on a wall. The collisions are elastic and the velocity of the molecules are v, and normal to the wall is vector i. Discover the pressure that is exerted on the wall by the molecules if a number N molecules strike the wall per unit time, and per unit area. The diagram is an i, j, favouring i to the left, with m in the third quadrant by velocity towards the origin at an arbitrary theta.
o skydivers are holding on to each other while falling straight down at a common terminal speed of 57.1 m/s. compute the change in kinetic energy of the system
A thermally isolated flask containing helium gas initially at 11 K, allows the gas to slowly escape through a small tube until the pressure inside is 0.98 atm, what was the initial pressure
A particle moving along the x-axis starts at x=-2(m) and has a velocity x(t)=-3t + 4 as v in m and t in s , find the velocity and acceleration
if the maximum height from which a person can jump without a parachute and still survive is 7.50 meters the maximum
A current of 1.00 Amperes is maintained in a simple circuit with a total resistance of 3.00 ohms. How much heat is generated in 4.00 s
The free-fall acceleration on the surface of Mars is about three eighths that on the surface of the Earth. Find the ratio of their average densities, ?Mars/?Earth
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
In a skating stunt known as “crack the whip,” a number of skaters hold hands and form a straight line. They try to skate so that the line rotates about the skater at one end, who acts as the pivot.
An air puck of mass m1 = 0.21 kg is tied to a string and allowed to revolve in a circle of radius R = 0.8 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A series ac circuit contains a 150 resistor, a 19.0 inductor, a 4.50 capacitor, Find the average power delivered to the entire circuit
Using Newton's laws find the normal force on the object. Determine the force of kinetic friction on the object
A police radar gun emits an electromagnetic wave at a frequency of fs = 1.08×1013 Hz. What is the speed of the oncoming car (v)
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