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Two 6 m long mirrors stand vertically and are parallel to each other 0.6 m apart. A ray of light reflects off the very bottom of the mirror on the right with an angle of reflection of 49 degrees and bounces back and forth between the mirrors over the 6 m length. What is the total distance in meters that the ray travels in its route between the mirrors?
In 0.675 s, a 6.80-kg block is pulled through a distance of 4.10 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
A point charge q = -2.4 nC is initially at rest adjacent to the negative plate of a capacitor, What is the kinetic energy of the point charge just before it hits the positive plate
q1. an archer puts a 0.30 kg arrow to the bowstring. an average force of 201 n is exerted to draw the string back 1.3
The electrons in a rigid box emit photons of wavelength 1484 nm during the transition. How long is the box in which the electron are confined
A 3-kg steel ball strikes a wall with a speed of 13-m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.20s, what is the average force exerted by the wall on the..
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
An electron moving at 3.60 103 m/s in a 1.10 T magnetic field experiences a magnetic force of 1.40 10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers between 0° and 180°. 1 ° (smaller value) 2 ° ..
A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity, what is the magnitude of the velocity of the third piece
Estimate the inductance of a solenoid made by buying a typical spool of wire from hardware store and winding it carefully around a broom handle.
how fast is the mass moving when leaves the spring. What is her velocity relative to the ice surface.
question1a rigid uniform horizontal bar of mass m1 80.00 kg and length l 5.200 m is supported by two vertical mass
Object O1 is 15.9 cm to the left of a converging lens with a 10.2-cm focal length. What is the overall magnification of this system
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