Debbie touches the metal doorknob to her bedroom at 7 a. m. and feels a static electric shock. In the afternoon, Debbie comes back and touches the doorknob again, but she experiences no shock.

An object's buoyant force and weight mean the same thing.a. trueb. false

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).

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque