Carl has a 5-inch refracting telescope and Jim has a 3-inch reflecting telescope. Whose telescope has a higher light-gathering power?

Which shows the correct order of processes leading up to the formation of a main sequence star? a. Gases condense to form a nebula, gravity causes the nebula to collapse and spin, nuclear fusion occurs, and a protostar forms. b.

Device that measures electric current galvanometer electric motor

I agree to hire you for 30days. You can decide between two methods of payment: either (1) $1000 a day, or (2) one penny on the first day, two pennies on the second day and continue to double your daily pay each day up to day 30.

The weight of an object on a planet depends on not only its mass but also on its distance from the planest center. this table lists the weight of 80 kg on each planet in the solar system.

Compared to yellow light, orange light has A. a different polarization. B. a faster wave velocity. C. the same frequency. D. a longer wavelength.

Mass is a ___ quantity, having just magnitude

I hand you two spheres. They have the same mass, the same radius, and the same exterior surface. I claim one is a solid sphere and the other is hollow. Can you determine which is which without cutting them open?

A bullet is fired horizontally at a speed of 50 m/s. What is its initial vertical velocity? A 0 m/s B25 m/s C 43.3 m/s D 50 m/s

Which of the following describes the formation of air convection currents?

Whose view was that the Cosmos was based on the belief that every occurrence in the physical universe had logos behind it and that is where life originated?