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Suppose the ruler in procedure 3 is asymmetrical, balancing at the58.2cm mark. The ruler is now supported at the44.3cm mark, and a mass of275g is placed at the20cm mark. Find the mass of the ruler.
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A playground merry-go-round has radius 2.10 m and moment of inertia 2000 kg · m2 about a vertical axle through its center, How much work did the child do on the merry-go-round
A 5570kg open train car is rolling on frictionless rails at 23.6m/s when it starts pouring rain. What mass of water has collected in the car
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 25 km/h
It is observed that 59.6 mL of water at 18.6°C completely fills a container to the brim. What is the coefficient of volume expansion of the container
define How fast is the osprey approaching. Two of the fragments move with the same speed right after the explosion as the entire projectile had just before the explosion.
A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
q1. a cannonball shot with the initial velocity of 129 ms at an angle of 36deg follows a parabolic path and hits a
small object is placed to the left of a convex lens and on the optical axis. What is the position of the image formed by the lens
What will be the acceleration of three of these objects glued together if they are pulled by two rubber bands
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 260 kg · m2 and is rotating at 8.0 rev/min about a frictionless vertical axle, What is the new angular speed of the merry-go-round
When you walk past an open door of a room in your house in which a person is speaking, you can hear the person long before you can see him. Why? What does this tell you about the wavelengths of light and sound?
A baseball player hits a baseball at one meter above the ground and gives it a velocity of 36 m/s at 41 degrees above horizontal. What will be the maximum height above the ground of the ball as it goes toward the fence
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