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Question1
Vector A points alone the +y access and has a magnitude of 100 units, vector B points at an angle of 60 degrees above the plus x access and has a magnitude of 200 units, vector C points along the negative X access and has a magnitude of 100 units Which vector has the largest x component and the largest y component.
Question2
Two stationary positive point charges, charge 1 of magnitude 3.15 and charge 2 of magnitude 1.65, are separated by a distance of 43.0. An electron is released from rest at the point midway between the two charges, and it moves along the line linking the two charges. What is the speed of the electron when it is 10.0 from charge 1?
A narrow glass tube, open at one end, closed at the other, is 40cm long. Determine the frequency of the moving sound source
A suitcase weighing 228N is at rest on the floor of a hotel lobby. The co-efficient of static friction between the suitcase and the floor is 0.49, and the coefficient of kinetic friction is 0.313. With what least amount horizontal force must a bel..
A certain kind of glass has an index of refraction of 1.660 for blue light of wavelength 430 nm, what is the angle between the two beams inside the glass
A soap film in air has thickness L = 250 meters. It totally reflects orangle light with 620nm wavelength. What color and wavelength of light does it totally transmit
A 203 rad dose of radiation is administered to a patient in an effort to combat a cancerous growth. Suppose that all of the energy deposited is absorbed by the growth.
7.85 g of nitrogen gas at an initial pressure of 3.87 atm and at 16°C undergo an isobaric expansion until the volume has doubled. What is the gas volume after the expansion
A skier (m=55.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 6.90 m and D = 10.4 m, determine H.
A diving board oscillates with simple harmonic motion of frequency 2.10 cycles per second what is the highest amplitude with which the end of the board can vibrate in order that a pebble placed there would not lose contact with the board all throu..
The box has a mass of 31.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2. Illustrate what is the acceleration of the box?
A luggage handler pulls a suitcase of mass 16.7kgup a ramp inclined at an angle 29.0? above the horizontal by a force F? of magnitude 147N that acts parallel to the ramp. Calculate the work done on the suitcase by the normal force
If a car moving at 82 takes 300 to stop with uniform acceleration after its brakes is applied, how far will it take to stop under the same conditions if its initial velocity is 41.
The angular position of a point on the rim of a rotating wheel is given by ? = 7.68t - 5.13t2 + 1.73t3, where ? is in radians and t is in seconds. find the angular velocities at the end of this time interval
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