Which does a reference point provide? check all that apply. a position from which to measure future distance a set of standard units for measuring displacement a standard method for evaluating variables a method for determining the speed of an object a way to detect an object’s motion

Which statement best explains why an object weight less on mercury than it does on earth

If the temperature were raised very high, classically what would we expect the heat capacity per object to be for this one-dimensional system? give a numerical value. chigh t = __ j/k/object (one reason for the discrepancy is that the high-temperature limit assumes that the number of oscillators is large (n > > 1), which is not the case in this tiny system.)

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.