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A constant force is applied to object N causing it to accelerate at 5.43 m/s2. The same force applied to object P causes it to accelerate at 6.77 m/s2. Also, when this force is applied to object Q causes it to accelerate at 44 m/s2. What is the ratio of the mass of N to the mass of P?
a cylinder with initial volume v contains a sample of gas at pressure p. on one end of the cylinder a piston is let
We've seen that fish can control their buoyancy through the use of a swim bladder, a gas-filled organ inside the body. How many moles of air are in the swim bladder when the fish is at a depth of 97ft
If you mix 2.5g of 100 degree celcius steam with 60g of 0 degree celcius ice. what percentage of the ice remains solid
The coil of a galvanometer has a resistance of 19.8 ?, and its meter deflects full scale when a current of 6.30 mA passes through it. What is the maximum current that this ammeter can read
An 85.2kg propeller blade measures 2.23m end to end. Model the blade as a thin rod rotating about its center of mass. Find the tangential speed at the blade tip
The maximum magnetic field, or Bo, is 0.010 T in an electromagnetic wave. What is the average intensity of this wave
A wheel starts at rest and takes 3.00 s to rotate 37.0 revolutions at which point its angular velocity is 98.0 rad/s. What is the constant angular acceleration of the wheel
Chris jumps off a bridge with a bungee cord (a heavy stretchable cord) tied around his ankle as shown in the figure . He falls for 15 before the bungee cord begins to stretch. Chris's mass is 70 kg and we assume the cord obeys Hooke's law, , with k=5..
Jeffery drills a very tiny hole in a sheet of brass. The hole is 0.001 inches in diameter. How large an Airy disk spot of red will form on a screen
An object has a kinetic energy of 277 J and a momentum of magnitude 26.9 kg·m/s. Find the speed and the mass of the object
The coefficient of static friction between the wall and the rod is μs = 0.575. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point A.
question a man lifts a 1.8 kg stone vertically.at some instant of time t1 during the beginning of the lift the stone is
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