A cheetah runs with a positive acceleration. What does this tell you about the velocity time graph for the cheetah?

A. Graph negative slope

B. graph positive slope

C. Graph positive area

D. Graph negative area

Facts about the earth's magnetic field

In the bohr model of the hydrogen atom, the speed of the electron is approximately 2.48 * 106 m/s. find the central force acting on the electron as it revolves in a circular orbit of radius 4.8 * 10-11 m. answer in units of n.

A man claims that he can hold onto a 16.0-kg child in a head-on collision as long as he has his seat belt on. Consider this man in a collision in which he is in one of two identical cars each traveling toward the other at 59.

Which statement is true of the electromagnetic spectrum? The higher the radiant energy, the higher the frequency and the longer the wavelength. The lower the radiant energy, the lower the frequency and the longer the wavelength.

Human Nerve Fibers Type A nerve fibers in humans can conduct nerve impulses at speeds up to 140 m/s. How far in meters can the impulses travel in 5.0 ms?

Use hubble's law to determine the distance to a galaxy which is moving away at a velocity of 3,500 km/s. (assume that h = 70 km/s/mpc)

Circuit has a single pathway for the electrons of flow. series parallel

Which of the following is a disadvantage of radio? A) Radio waves cover a large range if given enough power. B) Radio devices are inexpensive. C) Radio waves create electrical interference. D) Radio waves propagate easily through office walls.

Suppose if you whirl a yo-yo about your head in a horizontal circle. in what direction must a force act on the yoyo? What exerts the force?

Solutions with a low pH have which of these properties? - have an - OH value -feels slippery -tastes sour -turns litmus paper blue