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Questions (5)
a particle of mass 0.3kg vibrates with a period of 2 sec. if its amplitude is 0.5m what is its maximum kinetic energy
2 answers
2,115 views
a mass of gas emitted from the rear of toy rocket is initially 0.2kg/s. if the speed of the gas relative to the rocket is 40m/s
4 answers
2,002 views
a coin placed on a disc rotates with speed of 33 1/3 rev. per minute provided that the coin is no more than 10 cm from the axis
4 answers
1,438 views
a piece of gold aluminuim alloy weighs 100g in air and 80g in water.what is the weight of the gold in the alloy if the relative
3 answers
1,560 views
find the power of an engine in kilowatts which pulls a train of mass 600 tonnes up an incline of 1 in 100 at the rate of 60 km
1 answer
841 views
