A 1.34-g spider oscillates on its web, which has a damping constant of 3.3x10-5kg/s. How long does it take for the spider's amplitude of oscillation to decrease by 10.0%?

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What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).