If a star is 20 light minutes away and it stops creating light, how long will it be before we stop seeing the light?

How does the sun provide us with the energy we need to run our bodies?

What is the weight, in pounds, of a 255-kg object on jupiter? express the weight numerically in pounds?

A yo-yo falls through a distance of 0.60 m as its string unwinds. if it starts from rest, what is its speed? (model the yo-yo as a solid disc.) m/s

A car with a mass of 1,500 kg doubles its speed from 50 km/h to 100 km/h. by how many times does the kinetic energy of the car increase

Compare to a low wavelength sound wave, a high wavelength sound wave Select all that apply Group of answer choices travels slower has a smaller frequency travels at the same speed has a higher frequency travels faster has the same frequency

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.

Does a rolling basketball have kinetic energy

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

What happens to particles when a substance gains energy and changes state?