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Question: Three forces of 40, 50, and 75 N, respectively, make angles of 10°, 30°, and 120° with the x axis. What are the amount and the direction of the resultant? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A hydrogen atom is in its fifth excited state, with principal quantum number 6. The atom emits a photon with a wavelength of 7 474 nm. Determine the maximum possible magnitude of the orbital angular momentum of the atom after emission
A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system
The proton is replaced with He2+ ion now at a distance of 3 cm from the bead. What is the magnitude of the force experienced by the helium ion
a certain region of space bounded by an imaginary closed surface contains no charge. is the electric field always zero
A black box is bolted to a beam with a cable as shown in the following figure. Consider the box as the system. During the process, the box raises in height as the cable goes into the box by an unknown mechanism. Assume that there is some friction ..
You shine a laser on a plastic prism made from an unknown material and measure the angles relative to the normal that the light takes both inside and outside the medium. What is the index of refraction of the plastic object
Consider 2 similar situations. First, a snow sled is initially traveling with a velocity along horizontal snow and comes to a stop through friction. A second snow sled is traveling the same initial velocity on identical snow conditions and comes t..
A power station with an efficiency of 0.5 generates 10^8W of electric power and dissipates 1.00 x10^8 W of thermal energy to the cooling water that flows through it.
Positive pressure is used in blood transfusion. Suppose the pressure in a vein is 0.25kPa and the density of blood is 1.04 x 103 kg/m3, how high above the vein must the blood container be placed
When particle B, rest energy E0B = 20 GeV, and particle C, rest energy E0C = 30 GeV, collide with sufficient energy it is possible for the two particles to combine and become particle A, rest energy E0A = 60 GeV.
A motorist suddenly notices a stalled car and slams on the brakes, negatively accelerating at 6.2. How fast was the motorist going when the brakes were first applied
A 22 particle is moving to the left at 26m/s. How much net work must be done on the particle to cause it to move to the right at 51m/s
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