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Consider a particle moving along the x-axis where x (t) is the position of the particle at time t, x' (t) is its velocity, and x'' (t) is its acceleration.

The metric system is now known as the international system of units T or F?

A student wants to make a very small particle accelerator using a 9 V battery. What speed will a proton have after being accelerated from rest through the 9 V potential difference?

At what distance must a star be to have its apparent magnitude equal to its absolute magnitude?

Traveling wave constant k

Which solid is the best thermal insulator A. brass b. ice C. styrofoam D. copper

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?

A standing wave is established in an organ pipe that is closed at one end. What is located at the open and closed ends of the pipe?