Physics, 26.01.2021 04:10, Anaaguayo954

A 3.00 gram dart compresses a spring by 4.00cm. The dart lands 3.60m downrange when fired horizontally from the gun from a height of 113cm. All answers must be given in standard S. I. units as a number without units, using precisely 2 significant digits. (e. g. 12.0N = 12 or 0.3s = .30)

what is the air-time of the dart
what is the horizontal velocity of the dart
what is the initial kinetic energy of the dart
what is the spring constant

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A 3.00 gram dart compresses a spring by 4.00cm. The dart lands 3.60m downrange when fired horizontal...