How many copies of a gene does an organism have in its cells

A stationary positive charge, q, is located in a magnetic field, b, which is directed toward the right. what is the direction of the magnetic force on q?

A spherical soap bubble with a surface-tension of 0.005 lbf/ft is expanded from a diameter of 0.5 in to 3.0 in. How much work, in Btu, is required to expand this bubble

How much does force increase if mass is doubled

Someone is riding their bike across the beach, they are peddling forward with a force of 100 newtons and they are moving at a constant speed of 3 meters per second, what is the strength and direction of the force exerted by the friction from the

The maximum amount of a solute that will dissolve in a certain amount of solvent at a given temperature is that solute's

A 50 kg student climbs 3m to the top of a set of stairs. Calculate the change in the student's gravitational potential energy from the bottom to the top of the stairs.

Which of the following is NOT an appropriate acceleration unit? A) year/day/mile B) meter/sec/sec C) mile/hour/sec D) centimeter/sec/year

Which would best describe what occurs when a ball is thrown against a wall

How do the base pairing rules relate to chargaff's rule?

Lighting a fire with a match uses which kinds of energy?