What is more dense: 2 g/mL or 3 g/mL?

About when was the sail developed, making travel possible on the open water?

What formula gives the strength of an electric field, E, at a distance from a known source charge?

A 38.0 kg satellite has a circular orbit with a period of 1.30 h and a radius of 7.90 * 106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 30.

Kinetic energy depends on ... A. Mass B. Speed (velocity) C. Both of the above D. none of the above

Which has a greater velocity? A ball rolling down a 3.4m hill in 8.5s or a fish swimming upstream, covering 6.2m in 0.6 minutes? (velocity = change in distance / change in time)

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?