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Find the right answer of the following problem
Problem- The antenna for an AM radio station is a 69.5-m-high tower whose height is equal to one-quarter the wavelength of the broadcast signal.
Part 1- At what frequency does the station transmit?
Please help to evaluate the above problem.
For a safe re-entry into the Earth's atmosphere, the pilots of a space capsule must reduce their speed from 2.6 × 104 m/s to 1.1 × 104 m/s. For how long must they fire their engine
A 58 kg gymnast does a vault. He is traveling at 5.6 m/s just before he lands. He comes to a stop in 0.08 s. What is the average net force acting on him during this time
What electric potential energy will a fourth charge q4 = 4mC and located at the origin with respect to the other three charges experience and what is the pendulums period for small angle oscillations?
A car goes 13 miles east, then due North ending up 25 deg North of East from its initial position. How far due North did it travel
A composite pulse (or pulse sandwich) is an older method utilized to correct pulse imperfections due to not setting proper pulse durations or angles. For example an 180y pulse can be replaced by the 90y-180x-90y pulse sandwich
A spring-loaded gun, fired vertically, shoots a marble 9.2 straight up in the air. What is the marble's range if it is fired horizontally from 2.3 above the ground
A flat surface having an area of 3.4m2 is rotated in a uniform electric field of magnitude E = 6.6 multiplied by 105N/C. Decide the electric flux during this area in the following situations. When the electric field is parallel to the surface
An iron bar of mass, 0.99 kg, slides down a frictionless incline 0.94 m high. What is the speed of the combined masses after collision
A baseball (0.15 kg) and an electron both have a speed of 75 m/s. Find the uncertainty in position of each of these objects
A 320 piano slides 3.4 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1) ). The effective coefficient of kinetic friction is 0.40. Calculate the force exerted by th..
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
A contact lens is made of plastic with an index of refraction of 1.60. The lens has an outer radius of curvature of +2.10 cm and an inner radius of curvature of +2.58 cm. What is the focal length of the lens
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