Aspring scale hung from the ceiling stretches by 6.1 cm when a 2.0 kg mass is hung from it. the 2.0 kg mass is removed and replaced with a 2.5 kg mass.
part a what is the stretch of the spring? a spring scale hung from the ceiling stretches by 6.1 cm when a 2.0 kg mass is hung from it. the 2.0 kg mass is removed and replaced with a 2.5 kg mass.
part a what is the stretch of the spring?
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Ответ:
2.5kg=?
2.5/2.0*6.1=7.625cm
The stretch of the spring is 7.625cm
Ответ:
Explanation:
its means the quantity in question is a scalar quantity, has only magnitude but no direction, for example. speed,has no reference to direction of motion, since the speed of a body say 5 m/s( the direction of the body has not been stated) but the velocity of a body say 5m/s to the east has a reference to direction of the motion.
That's why velocity is different from speed