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Block A with mass 4 kg travels with speed vi=3 m/s on a smooth horizontal surface and collides with a stationary block B whose mass is 4 kg. The blocks stick together when they collide. How much kinetic energy was lost in the collision?
A 15.0 m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0 angle with the horizontal. Find out the horizontal and vertical forces the ground exerts on the base of the ladder when an 800 N fire-fighter is 4.00m f..
An electron, traveling at a speed of 7.37 X 10^7 m/s, strikes the target of an X-ray tube. What is the wavelength of the X-ray photon
A certain freely falling object, released from rest, requires 1.90 s to travel the last 36.5 m before it hits the ground. Find the total distance the object travels during the fall
The index of refraction of crown glass for violet light is 1.528, while for red light it is 1.514. What is the speed of violet light in crown glass
Consider light with an initial intensity, I0. Calculate the fraction of light that gets through the following setups: (a) A single polarizer, (b) Two polarizers with their transmission axes 30 degrees apart
The period of the simple harmonis oscillator is 2.00 s. When the given clock reads time t= 0.206s, the velocity of the oscillator is -.314 m/s. find the position of the oscillator when t= 5.00s.
Water is being pumped 100 meters up a hill through a hose at a rate of .012m^s/s. what is the water pressure at the bottom of the hose
q1. vector a points in the negative y direction and has a magnitude of 3 units. vector b has three times the magnitude
A sodium-vapor lamp has power output of 10.0 W. Using 589.3 nm as the average wavelength of this source, calculate the number of photons emitted per second
What is the initial (horizontal) velocity of the ball.
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m3 of water and the surface area of the bottom of the container is 5.48 m2. compute the magnitude of the force exerted by t..
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
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