If the statement is true, select True. If it is false, select False.

If outside forces such as friction are negligible, when two objects of the same mass collide and do not stick together, the objects multiply velocities.

True

False

Societal demands are not a legitimate driving force of scientific endeavor.

What is the efficiency of a machine that has work input of 40 joules and work output of 35 joules

A bullet B of mass mB traveling with a speed v0 = 1400 m/s ricochets off a fixed steel plate A of mass mA. Let mA ≫ mB so that it can be assumed that mBmA→0. If the incidence angle of the bullet is θ = 15° and the COR of the impact is e = 0.

Name the property illustrated be each statement. If t - 13 = 52, then 52 = t - 13

An archer provides 50 J of potential energy to her bow before release the arrow. What will be the kinetic energy of the arrow it is release from the bow?

Ceres is a dwarf planet located in the main asteroid belt.

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?