If a atom loses a neutron what happens

Which statement correctly describes variable stars? A) Variable stars with shorter periods have lower luminosities, so they can be observed when they are farther away.

Describe the steps you use during an experiment

Which of these is the best exclamation for why to negatively charged balloons, if put close, will repel? A. Charged objects sin little lightning bolts of electrons across the space between the two balloons B.

Consider a high-speed bus colliding head-on with an innocent bug. The force of impact splatters the unfortunate bug over the windshield. According to Newton's 3rd Law, which is greater, the force on the bug or the force on the bus?

An unknown object is placed on a balance, which then reads 6.118 g. its volume is measured to be 3.04 cm3. find the density of this object by dividing mass by volume.

A car dropped from a height of 44 meters fall to a height of zero meters. How fast will the car be traveling as it hits the ground? Assume air resistance is negligible (show all work)

A rock dropped from a 20 meter bridge falls into the river below. How long did it take to reach the water? What velocity did it hit the water with.

Which of the following is a characteristic of an electromagnetic wave? A. It travels at the speed of light B. It can be transverse or longitudinal C. It involves displacing a medium in the same direction the wave moves D.

If 50% of a radioactive element remains after 4000years what is the half life

What process is responsible for producing sediments that become the layers of sedimentary rock?