What is the group name in which helium is found?

A pendulum bob is made of a ball filled with water. What would happen to the frequency of vibration of this pendulum if a hole in the ball allowed water to slowly leak out? (Treat the pendulum as a simple pendulum).

Imagine a ringing bell set inside a sealed glass jar. Once all the air is removed and a vacuum is crated, the ringing sound is no longer heard. Explain why this happens. A. The lack of air in the jar causes the ringing to stop. B.

True or false that humans emit light?

A net force of 10.0 N causes an object to accelerate at 20.00 m/s^2. What is the mass of the object?

Your mental health is a reflection of your ... O Thoughts Emotions Behaviors O All of the above

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

The Mississippi River carries tons of tiny rock fragments called sediments into the Gulf of Mexico. What do u think will happen to these sediments in a few million years

True or False: If the initial speed of an object is zero, then the initial position of the object must be the origin. Explain

que potencia se disipa en un aparato eléctrico que opera con un voltaje de 60V y una corriente eléctrica de 1.5 A

List three things you have done today that used kinetic energy.