The distance between 2 charges Qa and Qb is r, and the force between them is F. what is the force between them if the distance is doubled?
the amount of charge that moves through the filament of a lightbulb in 2.00 s is 2.67 C. what is the current of the lightbulb?
1)Discuss whether an object can be moving if the net force acting on th object is zero. 2)For the following actions, explain whether the forces involved are balanced or unbalanced a)You push a box until it moves. b)You push a box but it doesn't move. c)You stop pushing a box and it slows down.
PLEASE I NEED HELP ASAPPPP 1. each carbon atom has____________valence electrons for forming bonds 2. carbon atoms can bond with_____________and with other elements in many different ways 3. a(n)___________is the force that holds two atoms together
true or false: the phrase"crystal structure" refers to the repeating patterns in which atoms are arranged in a crystal
I need help with this today!!! 1. When light is scattered a __________ is created. 2. Describe how we see using the 6 parts of the eye.(List 6 parts of the eyes) 3. Describe how we hear using the 8 parts of the ear (List 8 parts of the ear) 4. What do we call the material any wave travels through? 5. Sound are caused by______________. 6. Sound travels in ___________temperatures. 7. A sound will travel _______________ in a denser medium.8. What happens to the molecules when they are heated?9. What are 3 ways heat transfer energy? 10. How does convection in the Earth's mantle move plates? 11. What happens during thermal expansion? 12. How radiation is related to EM waves? 13. What is contraction? What would cause it to happen? I would very apprecieate if you guys help me all of 13 questions
Jake calculates that the frequency of a wave is 230 hertz, and its wave is moving at 460 m/s. What is the wavelength of the wave?
What latitudes are most likely to see glaciers?? A. 10° N and 10°S B. 30°N and 30°S C. 45°N and 45°S D. 90°N and 90°S Answers PLEASE??? Ok boo boo it is D
13. Which statement correctly describes the human heart? A. It has three chambers, and pumps blood directly into veins. B. It has two chambers, and it is composed of cardiac muscle. C. It has three chambers, and it is composed of cardiac muscle. D. It has four chambers, and pumps blood directly into arteries. 14. An individual who has had chicken pox rarely gets this disease again. This situation is an example of A. biological control B. negative feedback C, immunity D. metamorphosis 15. The nervous system is most directly involved in A. production of blood cells B. stimulation of rapid growth movement C. elimination of body wastes D. initiation of muscle
