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A photon absorbed by an electron will give up more energy to the electron if the photon:
A) is moving slower.
B) has a higher frequency.
C) is moving faster.
D) is not spread out over many electrons
A freezer of resistance 9.6 is connected to a 123.3 V source. What is the power delivered when this freezer is on
A radio antenna broadcasts a 1.0 MHz radio wave with 29 kWof power. Assume that the radiation is emitted uniformly in all directions. (a) What is the wave's intensity 35 km from the antenna? I=___?___W/m^2 (b) What is the electric field amplitude at ..
a flywheel in the form of a uniformly thick disk of radius 1.33 m has a mass of 54.1 kg and spins counterclockwise at
We have a parallel plate capacitor with two plates containing charges +Q and -Q a distance d = 2.00 cm apart. We release a proton from rest at point A, just above the lower plate. At point B, just before the proton strikes the upper plate, the pro..
A 60kg block slides along the top of a 100kg block with an acceleration of 2.0m/s^2 when a horizontal force of 350N is applied. Find the coefficient of kinetic friction between the blocks
question1a. write three methods of increasing the volume of a balloon without adding more molecules to it.describe
A small object of mass 4.06 g and charge -16.5 µC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground
The "size" of the nucleus in Rutherford's model of the atom is about 1.00 fm = 1.00E-15 m. Determine (in MeV) the electrostatic potential energy of the pair of protons
A certain raft is 2.5 m long, 0.55 m wide, and 14 cm deep. If the raft itself has a mass of 15.6 kg, what is the maximum mass it can support in fresh water
A glass rod is rubbed with silk and acquires a charge ofmagnitude 7.50 nC. What is the change in mass of the rod
A 20 wood ball hangs from a 1-long wire. The highest tension the wire can withstand without breaking is 600. A 0.90 projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectile can have with..
Three resistors, R1 = 17? , R2 = 52? , and R3=R, are connected in series with a 24.0 Vbattery, find the potential difference across each resistor
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