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Problem: What phase difference between two otherwise identical harmonic waves, moving in the same direction along a stretched string, will result in the combined wave having amplitude 1.1 times that of the amplitude of either of the combining waves?
I need help to solve the above question and express your answer in degrees.
Calculate the focal lengths and locations of the principal planes and nodal points of a single thick lens in water (nW=1.33) whose surfaces (from left to right) have radii of curvature - 5.5 cm and +7.5 cm, respectively
A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms, What is the new rotation rate
A 325 kg crate is lowered to the ground by a helicopter. Its fastened to the end of the vertical cable which has a tension of 3500N. Is the crate speeding up, slowing down, or descending at a constant speed? Show your work
An object is located 8.00 cm from a converging lens that has a focal length of 10.0 cm. The height of the object is 0.41 cm. What is the height hi of the image
A 3.0cm tall object is 50cm in front of a convex mirror that has a -20 cm focal length. Calculate the image position in cm behind the mirror
an electron has an initial velocity of 2.00 x 106 ms in a uniform 8.00 x 105 nc strength electric field. the field
Through what potential difference does an electron have to be accelerated, starting from rest, to achieve a speed of 0.920c
a piece of copper wire has a resistance per unit length of 5.50 10-3 ?m. the wire is wound into a thin flat coil of
You have three identical charged spheres, each with a charge of 3.50 µC. You have arranged them so they are each at the corners of a square that gauges 3m on a side. Discover the magnitude of the electric field at the "empty" corner. (The corner with..
the pressure change outside a house is +10.00mmHg. the roofhas two halves, each with the area of 61.045m^2, what is the magnitude and direction of the net force
A circular coil of wire with 70.0 Loops and a radius of 0.250 m is placed in a magnetic field of 10.0 T and oriented so that the coil is perpendicular to the field. Find the maximum power developed in the coil
A 3.3 kg block, initially in motion, is pushed along ahorizontal floor by a force F of magnitude 17 N at an angle 45degrees with the horizontal. The coefficient of friction betweenthe block and the floor is .25.
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