When an atom that has no charge loses two electrons, it becomes a

positive ion.

negative ion.

positive isotope.

negative isotope.

What is the temperature of a metallic block in a thermal equilibrium with a mixture of ice and water at 1 atm pressure? A) 0C B) 273k. C) 0K. D) 100C

the physics concept corresponding to oomph is momentum. building on your above answers, figure out a formula for momentum (oomph) in terms of mass and velocity. explain how the formula expresses your intuitions from parts A and B above.

Find the magnitude of the torque produced by a 4.5 N force applied to a door at a perpendicular distance of 0.26 m from the hinge. Answer in units of N · m.

The block accelerates down the 30 degree incline at 3m/s2. What is the coefficient of friction of these surfaces

A circus acrobat is shot out of a cannon with an initial upward speed of 34 ft/s. if the acrobat leaves the cannon 4 ft above the ground, how long will it take him to reach a net that is 8 ft above the ground

Explain why science is a continuous progression of study

If your at the mall with your friends and they shoplift what would you do

Fluid is leaking from an axle seal. Technician A says to remove the wheel and check for incorrectly installed brake components. Technician B says to check for obstructions at the differential breather.

All matter we encounter in everyday life exists in one of three physical formss True or False.

15 grams of liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after the change?