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A 0.15 kg arrow is firedhorizontally. The bowstring exerts a constant force pf 65 N on thearrow over a distance of 0.45 m. Determine:
a) How much work is done by the bowstring on the arrow.
b) The speed of the arrow when itleaves the bow.
a horizontal circular platform rotates counterclockwise about its axis at the rate of 0.805 rad/s. You, with a mass of 67.3 kg, Calculate the total angular momentum of the system
A fish in a flat-sided aquarium sees a can of fish food on the counter. What is the actual distance between the can and the aquarium
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
question 1 each of 106 identical blocks sitting on a frictionless surface is connected to the next block by a massless
an object is being pulled toward the origin. the force pulling on the object is fx -kx2 gravitational and electrical
The isotope Po (A-218 Z-84) can decay by either alpha or beta emission. What is the energy release in each case
q1. a parallel-plate capacitor is formed from two 2.0 rm cm times 2.0 rm cm electrodes spaced 5.0 rm mm apart. the
An ideal gas occupies a volumeof 2.0 cm3 at 20°C andatmospheric pressure. Determine the number of molecules of gas inthe container
Two runners of mass 70 kg and 60 kg,respectively, have a total linear momentum of 350 kg*m/s. The heavier runner is running at 2.0m/s. Examine the possible velocitis of the lighter runner.
Suppose the magnitude of the electric field in an electromagnetic wave is doubled, By what factor does the maximum intensity of the wave change
The uniform solid block in the figure has mass 38.3 kg and edge lengths a = 0.622 m, b = 1.41 m, and c = 0.0740 m. Calculate its rotational inertia about an axis
Tarzan swings on a 31.0m vine initially inclined at an angel of 28.0 degrees to the vertical. What is his speed at the bottom of the swing if he pushes himself with a speed of 2.5m/s
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