Aspiral spring of a spring balance is 25.0cm long when 5n hangs on it and 30.0cm long when the weight is 10n. what is the length of the spring if the weight is 3n, assuming hooked law is charged

Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

70 give a real life example showing how sensory neurons work with the motor neurons