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At a distance of 4.50 m from a siren, the sound intensity is 5.13 × 10-2 W/m2. Assuming that the siren radiates sound uniformly in all directions, discover the total power radiated.
It eventually launches horizontally off of the table and takes the path of a projectile until it hits the ground 40 centimeters from the edge of the table.
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 μC and each charge experiences an electrostatic force of magnitude 85.0 N when the separation between them is .270 m. Find q1 and q2.
A bike and rider have a total mass equal to 200 kilogram. Calculate the net force on the bike
In a playground, there is a small merry-go-round of radius1.20 m and mass 120 kg. Calculate the rotational inertia of themerry-go-round about its axis of rotation
A wheel rotating with a constant angular acceleration turns through 24 revolutions during a 6 s time interval. Its angular velocity at the end of this interval is 18 rad/s. What is the angular acceleration of the wheel? Note that the initial angular ..
assuming 95.0 efficiency for the conversion of electrical power by the motor what current must the 12.0 v batteries of
A cylindrical tank of 1.6 m in radius rests atop a platform 6.0 m high. Initially the tank is full with water to a depth of 3.0 m. A plug whose area is 6.3 cm2 is removed from the orifice in the side of the tank at the bottom, How far in the horizont..
a 40 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. the
a target shooting game wooden blocks are thrown into the air and shot in flight. a block of 0.8kg has a speed of 10 ms
A small object of mass 0.0150kg & a charge of 3.1 uC hangs fromthe ceiling by a thread. A second small object, with a charge of4.2 uC, is placed 1.2m vertically below the first charge. Find a) the electric field at the position of the upper charge..
what would the image distance be (pay attention to sign)? cm d. Could the new image be projected on a screen?
Two point charges of +1.0nC (located at x=1.0m), Calculate the magnitude of the net electric field at the apex of the triangle
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