Force is measured in newtons. A newton is based on base units in the metric system. What is a newton equal to in terms of units of mass and acceleration

A physics professor claims in court that the reason he went through the red light (λ = 660 nm) was that, due to his motion, the red color was Doppler shifted to green (λ = 510 nm). How fast was he going?

The current through a 10-ohm resistor connected to a 120-v power supply is

A man does 500 J of work pushing a car a distance of 2 m. How much force does he apply? Assume there is no friction. A. 250 N B. 1000 N C. 125 N D. 500 N

True or false. When populations do not exceed their environment carrying capacity biology communities are stable?

The mass of car 2 is twice the mass of car 1. If both cars have the same velocity, how does the kinetic energy of car 2 compare to car 1?

If the magnetic field strength in the spectrometer is increased, will the spacing between where the 235u and 238u ions strike increase, decrease, or stay the same?

Dalton's model of an atom is best described as

Select the correct comparison between science and technology. A. Science influences technology, but technology does not influence science. B. Science does not influence technology, but technology influences science. C.

Which statement is most clearly objective? a. according to hernandez, i believe pilots must retire in their 60s. b. walters argues that no american in society is truly an island. c. the strongest aspect of cunningham's argument is the research. d.

Kinetic energy is defined as ½ mv2, where m is the mass of the object, and v is the velocity (or speed). Two gas molecules have the same kinetic energy, but molecule X has four times the mass of molecule Y. What can you say about their speeds?