If s car can drive 40m/s, then how long will it take to travel 2400m?

Which object is most likely represented by a dot?

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).

How is science controlled by the governerment