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When throwing a baseball, a force is exerted by the hand on the ball.
a. Is this force a contact force or a field force? Contact Force
b. Throwing a ball 6 m straight upwards needs a 25 N throwing force. How strong is the throwing force it experiences when the ball is half way to the top? At the very top? Half way back downwards?
Since throwing is a contact force, once the ball is not in contact with the hand there is no more force. hence, the answer to all is 0 N
two balls connected by massless string wherein the first ball A is confined to a plane surface with frection and the second ball B, due to the string’s passage through a small hol
And then did he sit up.IS THIS A SENTENCE OR A QUESTION
A trick with surface tension Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
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why the condition of maxima is changed in thin films
Ammeter: An electromechanical instrument which is used to calculate the amount of current flowing by an electric circuit is known as an ammeter. It is modified form of a gal
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A 10 volt battery connected to a capacitor delivers a charge of 0.5 coulombs. The capacitance of the capacitor is: a) 2 x 10 -2 farads b) 5 x 10 -2 farads c) 2 fa
#questionMnS is a paramagnetic solid. At 300°K, there are 4 × 1022 molecules of MnS per cm3. If the cationic magnetic moment of MnS is 5 MB, use the Curie law in 8-b to compute the
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