Different forms of the same element are called what

The velocity of an object increases from - 10 m/s to - 15 m/s in 2.0 s. What is the average acceleration of the object?

A 1.5 m wire carries a 9A current when a potential difference of 84 v is applied. what is the resistance of the wire

How many electrons does nitrogen (N) need to gain to have a stable outer electron shell?

Radioactive isotopes Select one: a. have an excess number of electrons. b. behave the same chemically, physically, and biologically as other isotopes. c. have an excess number of neutrons. d. are produced when substances are exposed to radiation. e.

An ecosystem is all the populations of organisms that live together and A. the microorganisms that depend on them. B. the organisms that generate energy from sunlight. C. the physical factors with which they interact. D.

What is the relationship between gravity and mass? What is the relationship between gravity and distance?

A person performs 300 j of work over the course of 60 seconds how much power they did required

If you have a 90 V power source with a 30-Ω and 60-Ω resistor in series, what is the voltage drop over the 60-Ω resistor? 30 V 2 V 60 V 90 V

How is thermal energy transferred during convection?

What is the purpose of a free body diagram? A. to show the velocity of an object B. to show the acceleration of an object C. to show the forces acting on an object D. to show the direction of motion vectors of an object