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A ship on the surface of the ocean receives a sonar echo back from an underwater object. The echo path from the object to the ship is at an angle of 22 degrees above the horizontal and takes 2.5s to return. (Velocity of sound in sea water = 1500m/s).
a) What is the distance of the object from the ship?
b) What is the depth of the object in the sea?
Suppose that a particle accelerator is used to move two beams of particles in opposite directions, what is the magnitude of the average current in this region
Find the boundary layer thickness and drag on a given plate if Water at 15°C flows over a plate 2m long and 25cm wide at a velocity of 5 m/s along its length.
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A classroom slide projector projects an enlarged (55 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does slide projector require to produce a sharply focus imag..
The absolute uncertainty written in the form
The weight of passengers on a roller coaster increases by 52% as the car goes through a dip with a 35m radius of curvature. What is the car's speed at the bottom of the dip
While on a vacation to Kenya, you visit the port city of Mombassa on the Indian Ocean. Calculate the muzzle velocity necessary to hit a pirate ship 300 meters from the base of the fort
A novice skier starting from rest slides down a frictionless 32 degree incline whose vertical height is 125 meters
A system undergoes a two-step process. In the first step, the internal energy of the system increases by 228 J, What type of process is the overall process
It takes a student t = 5.2 s to push a block m = 6 kg at a constant velocity over a distance of d = 4.6 m. How much power was applied to the block in Watts
A 75 kg person escapes from a burning building by jumping from a window 25-m above a catching net. Assuming that air resistance exerts a 95-N force on the person all through the fall, determine out the person's velocity just before hitting the net..
Jim's dog Sparky runs 45.0m northeast to a tree, then 65.0m west to a second tree, and finally 25.0m south to a third tree. Calculate the direction of Sparky's net displacement
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