A 18.2 kg blue marble moving at 26 m/s hits a 8.4 kg green marble at rest. If the blue marble comes to a complete stop afterwards
what is the velocity of the green marble?
(round your answer to the nearest hundredth and don't forget your
units)

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity