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Imagine that you are at the equator and the air is motion less every where. There is a pressure gradient such that the pressureincreases as you move towards the east at a rate of 1 mb per 1000km. Assume an air density of 1.2 kg/m3. How fast will aparcel of air be moving after 1 h? Assume frictionless flow.
q1. the driver of a 1700 car travelling on a horizontal road at 140 suddenly applies brakes. due to the slippery
Find the inertia tensor for a uniform, thin hollow cone, such as an ice-cream cone, of mass M, height h, and base radius R, spinning about its pointed end
The bungee cord acts just like a coil extension spring with constant k = 4 lbf/ft and its unstretched length is L= 6 ft. At first the cord is loosely dangling but then becomes taut and goes into tension as soon as the skaters
Olympic diver Matthew Mitcham springs upward from a diving board that is 3.10 m above the water. Determine his maximum height above the water
A square loop of wire of edge length a carries current i. Find the magnitude of the magnetic field produced at a point on the central perpendicular axis of the loop and a distance x from its center?
a supertanker with the mass of 3.34^7 kg is moving with a constant velocity .its engines generate a forword thurst of 5.38x10^5 n. determine the magnitude of the upward buoyant force exerted on the tanker by the water
A 0.56 kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block
Assume that the cell is floating on the surface of water, and that the water surface has a coefficient of friction of u=0.300. You now want to use a laser to move cell horizontally, along the surface of the water.
A runaway railroad car, with mass 30 x 10^4 kg, coasts across a level track at 1.5 m/s when it collides with a spring loaded bumper at the end of the track, What is the maximum displacement of the spring after the collision
a carnot efficiency engine operating between a reservoir of liquid mercury at its melting point and a colder reservoir extracts 15.0 J of heat from the mercury, What is the temperature of the colder reservoir
A car accelerates uniformly from rest to a speed of 40.0 mi/h in 12.0 s. Find (a) the distance the car travels during this time and (b) the constant acceleration of the car.
A metal wire has a resistance of 10.00 ? at a temperature of 20 0 C. If the same wire has the resistance of 10.55 ? at 90 0 C, what is the resistance of the wire when its temperature is -20 0 C
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