Streams pick up a greater load of sand and gravel as they leave a mountain range and flow across a lowland.
a. true
b. false true. most likely a fast moving stream.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

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).