Which of the following describes what happens to the amount of work when using a ramp to move a heavy object? increase decrease stay the same constantly changing

Why can white light be separated into different colors? a. Particles of white light absorb the colors of different objects. b. Prisms change the chemical composition of white light. c. Matter absorbs and reflects white light differently. d.

What is the voltage of a circuit when 5C of charge flows with a 7V EMF?

A thin, square metal plate measures 15 cm on each side and has emissivity of 0.80. The plate is heated to a temperature of 605°C. What is the rate at which the plate radiates energy? The Stefan-Boltzmann constant is 5.67 * 10-8 W / (m2 ∙ K4).

Range of motion is the distance an object can travel when separated from another object. T/F

A model electric train requires 3.7267 V to operate. If the primary coil of its transformer has 184.463 turns windings, how many windings should the secondary have if the primary is connected to a 100.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false

Why would an object float in water, but sink in rubbing alcohol?

What happens to the volume of solids, liquids, and gases when they are heated. Devise your own chart for your answer.