Which electromagnetic waves have the longest wavelengths and lowest frequencies?

A. infrared waves

B. radio waves

C. ultraviolet rays

D. gamma rays

Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space? The cloud is extremely hot. The cloud is visible primarily because it reflects light from nearby stars.

Object A has a mass of 100 grams, and object B has a mass of 150 grams. They are both traveling at the same velocity. Which can you conclude

Which state of matter will hold its shape without a container

Which is a possible measurement of the momentum of a moving object? 11 kg∙m2/s2 2.8 kg∙m/s 16 kg∙m/s, due west 9.3 m/s2, due north

Can earthquakes with a magnitude between 3.0 and 6.0 produce high intensity levels?

An electron and a proton are separated by a distance of 1 m. What happens to the size of the force on the first electron if a second electron is placed next to the proton?

Airbags will deploy no matter from what angle your car is hit.

Sebuah benda berjarak 8 cm di depan cermin cekung yang memiliki fokus 12 cm. perbesaran bayangan yang dihasilkan adalah? tentukan juga M nya?

How does gravity correspond to the bending of the space-time fabric

Compare the theories that scientists proposed about the source of the sun's energy with the process of nuclear fusion in the sun