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Solve the all parts of following question given below:
Question: Ocean waves are traveling to the east at 3.9 m/s with a distance of 21 m between crests.
Part I: With what frequency do the waves hit the front of a boat when the boat is at anchor?
Hz
Part II: With what frequency do the waves hit the front of a boat when the boat is moving westward at 1.5 m/s?
If possible just a brief explanation how you got the answer?
q1. what fraction of the power radiated by the sun is intercepted by the planet mercury? the radius of mercury is 2.44
a 420-w heating coil designed to operate from 110 v is made of nichrome wire 0.520 mm in diameter. assume ? 1.50 10-6
A defensive lineman of mass M = 115 kg makes a flying tackle at vi \= 4.00 m/s on a stationary quarterback of mass m = 76 kg, calculate the shear stress exerted on the bone in the collision.
A golf ball strikes a hard, smooth floor at an angle of 22.1 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0342 kg, and its speed is 47.5 m/s just before and after striking the floor
after hitting a long fly ball that goes over the right fielders head and lands in the outfield the batter decides to
A certain atom of has 77 protons. Assume that the nucleus is a sphere with radius 6.73 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the proto..
A noisy grinding machine in a factory produces a sound intensity of 1.40 multiply.gif 10-3 W/m2. Calculate the decibel level of this machine
After staying on Penitgy for a few days, the landing craft returns to its mothership. At take-off, both engines are run at full thrust for 87 s. What height does the landing craft attain
a bullet of mass 0.024 kg is fired horizontally with a speed of 75 ms from a tall bridge. if the bullet is in the air
When a potential difference of 144V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of42.0nC/cm2. What is the spacing between the plates?
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
A crate is pulled to the right with a force of 74.6 Newton, to the left with a force of 124.4 N, upward with a force of 655.8 N, and downward with a force of 245.7 N. Find the net external force in the x direction
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