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Radiation falling on a perfectly reflecting surface produces an average pressure p. If radiation of the same intensity falls on a perfectly absorbing surface and is spread over twice the area, what is the pressure at that surface in terms of p? I found an answer already but it seems slightly extravagent for a question like this.
A particle with a charge of q = -5.40 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}. find v_x, the x component of the speed of the particl..
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.230 T, find the speed of the electron and the radius of the circular path
A 130 block on a frictionless table is firmly attached to one end of a spring with = 40. The other end of the spring is anchored to the wall. A 21 ball is thrown horizontally toward the block with a speed of 6.6.
The circular top of a can of soda has a radius of 0.029m. The pull-tab has an area of 4.13 10-4m2. The absolute pressure of the carbon dioxide in the can is 1.4 x10^5Pa. Find out the force that this gas generates.
A line of charge with uniform density of 28.0 nC/m lies along the line y = -15.0 cm, between the points with coordinates x = 0 and x = 32.0 cm
The three ropes are tied to a small, very light ring. Two of these ropes are anchored to walls at right angles with tensions T1 = 35 N andT2 = 70 N. What are the magnitude and direction of the tension Tvec3 in third rope.
A circuit contains two elements, CR. The current in this circuit when connected to a 2.15E2 V, 60.0 Hz source is 9.40 A and leads the voltage by 3.10E1 degrees. what is the power dissipated in this circuit
A penguin slides at a constant velocity of 1.4 m/s down an icy incline, How much time is required for the penguin to slide to a halt after entering the horizontal patch of ice
What force does the middle block exert on the leftmost block?
How much time does the stone take to reach the ground.
What is the wavelength of the light in the glass
A 3.00-kg block starts from rest at the top of a 35.5° incline and slides 2.00 m down the incline in 1.50 s, Find the frictional force acting on the block
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