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Q. The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F?
Q. Two sound sources radiating in phase at a frequency of 500Hz interfere such that maxima are heard at angles of 0° and 24.50° from a line perpendicular to that joining the two sources. The listener is at a large distance from the line through both sources, and no additional maxima are heard at angles in the range 0° < θ < 24.5°. Find out the separation d between the two sources and any other angles at which intensity maxima would be heard. Utilize the following result.
By how much does the potential energy of a 15.0-kg child increase. Find v0.
At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.
If the two halves of the log only separate by a distance of 0.05m while the wedge travels 0.2m into the log, how much force is the wedge exerting on the two halves of the log to rip them apart.
A 45 kg girl is standing on a 130 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.33 m/s relative to the plank.
What is wavelength in meters of an electron
The gravitational force between two masses M and m separated by a distance r is 40 N. What is the new force when this distance is halved?
A ship sets out to sail to a point 212 km due north. An unexpected storm blows the ship to a point 156km due east of its starting point. How far must it now sail to reach its original destination.
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.25m/s.
A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires.
when a dime (diameter 1.624 cm) is placed straight over it, bubble can be seen by looking down into the cube. What are upper and lower bounds of the range of the possible depths of the air bubble beneath surface.
Obtain an expression for the velocity
A 2 kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 20.0 N is needed to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
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