The Hertzsprung-Russel diagram is used to show the relationship between which two characteristics of stars?

Your friend is bragging about his motorcycle. He claims that it can go from a stopped position to 50 miles per hour in three seconds. He is describing the motorcycle's speed. acceleration. velocity. direction.

Saturn's moon Titan has a mass of 1.35 * 1023 kg. If Titan is 1.19 * 106 km from Saturn, and Saturn's mass is 5.86 * 1026 kg, what is the gravitational force between Saturn and its moon? 2.76 * 104 N 3.29 * 107 N 3.73 * 1021 N 4.43 * 1030 N

The speed of a light wave in a certain transparent material is 0.701 times its speed in vacuum, which is 3.00*108 m/s. When yellow light with a frequency of 5.23*1014 Hz passes through this material, what is its wavelength? in nanometers?

How long will it take to travel 546 km at 110 km/hr (answer in hours)

Oxygen and other nonmetals are found in which area of the periodic table? on the left side on the right side in the bottom two rows in the middle section

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?