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A 30g bullet strikes a .650kg block attached to a fixed horizontal spring whose spring constant is 5.90x103N/m and sets it into vibration with an amplitude of 20.0cm. What was the speed of the bullet before impact if the two objects move together after impact??
friction is a necessary evil?
A bottle and marble Pour some sand into a wide mouthed bottle. Place a piece of cardboard about 5 cm square over the mouth of the bottle. Set the marble on the cardboard and th
Q. State Fleming's left hand rule. Fleming's Left Hand Rule. The forefinger the middle finger as well as the thumb of the left hand are stretched in mutually perpendicul
A plane diffraction grating of width 2.5cm has 1500 rulings. Monochromatic light of wave length 5893A 0 is incident normally on it. Determine the angle at which second order princ
Derive mathematical equation for an electromagnetic wave travelling in a charge free conducting medium in terms of electric field vector.
why are vector and scalar necessary in our everyday activities?
Determine the average kinetic energy of each type of molecule? A cylinder contains a mixture of helium and argon gas in equilibrium at temperature of 149°C. (a) What is the a
Tiger Woods can hit a golf ball with 55 N of force. How hard does the ball hit back on the club? (a) more than 55 N of force, (b) less than 55 N of force, (c) exactly 55 N of force
Stretch the fore-finger, central finger and thumb left hand mutually perpendicular. Then if the fore-finger shows in the direction of field and the central in the direction of cu
what is newton law of gravitation?
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