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Two earthquake waves of the same frequency travel through the same portion of the Earth, but the second is carrying 5.4 times the energy of the first.
What is the ratio of the amplitudes of the two waves?
A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 5.50 m before falling back down again. A boy then catches the ball when it is 1.30 m above the pavement. Ignoring air resistance, cal..
A boy uses this string to whirl a 10-kg stone in a horizontal circle of radius 10 m. The boy continuously increases the speed of the stone. At approximately illustrate what speed will the string break?
Two freight cars, each with a mass of 2.4 multiplied by 105 kg, collide and stick together. One was at first moving at 3.4 m/s and the other was at rest. What is their final speed.
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10?2cm , mounted coaxially within a cylindrical anode with a radius of 0.5580cm, Find its speed vfinal when it strikes the anode
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
Three charged particles are arranged on corners of a square as shown in the figure below, with charge, What is the direction of the electric field at the upper right corner, which is a point in empty space
A dolphin leaps out of the water at the angle of 46° above the horizontal. The horizontal component of the dolphin's velocity is 9.40 m/s. Find out the magnitude of the vertical component of velocity.
Two identical carts travel at 1m/s in opposite directions on a common horizontal surface. They collide head-on and are reported to rebound, each with the speed of 2m/s.
When operated on a household 110-V line, typical hair dryers draw about 1650 W of power. What is the resistance of the dryer
A roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal, What is its displacement from its starting point
Calculate the volume charge density of the atmosphere
At a distance of 6.0 km from a radio transmitter, the amplitude of the oscillating electric field of the radio wave is Eo=.13 V/in, What is the time-averaged energy flux
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