An object pulled to the right by two forces has an acceleration of 2.5m/s2. The free-body diagram shows the forces acting on the object. What is the weight of the object?

How did Niels Bohr change the atomic model based on his experimental results?

A spelunker is surveying a cave. She follows a passage 180 m straight west, then 290 m in a direction 45∘ east of south, and then 280 m at 30∘ east of north. After a fourth unmeasured displacement, she finds herself back where she started.

If a truck runs into a wall and stops, the truck loses momentum. Because momentum cannot be created or destroyed, where does it go?

Energy transfer by convection is usually restricted to what type of substance?

A narrow is used to slow the flow of electron in a circuit. You would write the amount current is slowed using what units A. Volts B. ohms C. amps D. dergees

The scientific theories developed by copernicus galileo and newton resulted in

How could you find out which wire is broken in a cable?

Which block has more thermal energy? if the blocks are placed in thermal contact, will the thermal engery of the blocks change?

What is long term potentiation

Which of the following describes a conductor? A. a rubber shoe sole with electrons stuck to the bottom. B. Electrons moving freely through a copper wire. C. a balloon with a small region of negatively charged electrons. D.