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We are going to fire a laser at a position of one meter to the left of the left of the bottom right corner of the a box. Assume the sides of the box to be perfect mirrors. At what angle do we need to point the laser, as measured from the positive x direction (theta = 0), in order to have the light pulse arrive back to the starting position? How long did the light take to leave and return? Assume that the box is in a vacuum. It is not 90 degrees. You must bounce the laser off of more than one wall.
express the potential difference between the plates.
A +10 nC charge is placed on the x-axis at x= -6cm. A +8 nC charge is placed 14cm away on the x-axis at x= +8 cm. A) find the potential at the origin
If the rubber of the balloon itself has a mass of 2.00g and the balloon is filled with helium (density 0.166kg/m^3 ), calculate the net upward force (the "lift") that acts on it in air
A square loop of wire encloses area A1. What is the magnetic flux through loop A1
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. What is the net force on the barge
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
Two blocks with masses M1= 4.9 and M2 = 3.5 are connected with a massless string over two massless and frictionless pulleys. What is the acceleration of mass M2
A prehistoic bug (m=0.02kg) has escaped into the moder world. how fast (and in what direction) is the ubg traveling after the collision
A 38 ohm resistor is made from a coil of copper wire whose total mass is 11.2 g. Find out the length and diameter of the wire.
a child tosses a stick into a stream. the stick moves downstream at a rate of 1.5 ms. how fast is the stick moving
A stationary mass M decays into a particle and a photon. If the speed of the particle is v, what is its mass? What is the energy of the photon?
A swimming pool has dimensions 32.0 m ? 12.0 m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water. What is the force exerted by the water on the bottom
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