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Why is it that a cat that accidentally falls from a 50-story building hits a safety net below with the same speed as if it fell from a 20-story building? What is the acceleration at the top of a jum
Explain why radioactivity can be used as a "clock" to measure the march of geologic time.
What is the force between two balloons with a negative charge of 2.6 x 10-10C if the balloons are 10.0 cm apart?
A heat engine takes 4.0 moles of an ideal gas through the reversible cycle abca, on the pV diagram. The path bc is an isothermal process. The temperature at c is 420 K and the volumes at a and c are
Analysis of Covariance. Using your area of interest, identify one independent and two dependent variables, such that the dependent variables would likely be covariates.
Suppose nodes A and B are on the same ethernet bus and the propagation delay between the two nodes is 245 bit times. suppose A and B send frames at the same time, the frames collide and then A and B
Psy/230, Character Evaluation Think about a character from one of your favorite films, fictitious or biographical. Write a 350- to 700-word paper that describes the character’s personality in terms
Water flows through an orifice 25mm diameter in a 100 mm pipe at a rate of 631 c.c/s.What is the difference in level on a water manometer connected across the orifice?
A 129g piece of lead has a temperature of 26.0 celsius. if it loses 1.90 joules of heat is surroundings, what is its new temperature?
Explain why do you think businesses do not purchase or lease ISDN channels?
Discuss the characteristics of Internet, wireless, and local area networks. Describe protocols at the different layers of the OSI model and explain their functionality
Research how to secure a domain name and find a host for a website. Discuss website design basics; characteristics of well-designed websites; the structure of a website; and the Web accessibility is
Bob Richards is production manager of Zychol Chemicals, in Houston Texas, is making his quarterly report, which is to include a productivity examine for his section.
You are needed to use a header size of 5 bytes per packet. You have the option of sending the message as 5 packets, as 10 packets and as 20 packets. Which of these three options minimizes the transm
Explain the difference between a relative cell reference and an absolute cell reference.
Consider a "long haul" cable that is 100 km in length. Assume that the propagation speed in the cable is 2/3 the speed of light in vacuum.
Discuss how big is a physical protocol data unit and determine the number of simultaneous transmissions for many network architectures.
If two stations begin to transmit at exactly the same time, their packets will interfere with each other. If each transmitting station monitors the bus during transmission, how long before it notice
What kind of microscope would you use to view ribosomes in a prokaryotic cell? What about to view the outside surface of a eukaryotic cell? Couldn't you use a compound light microscope.
A food manufacturer is advertising a new cake mix as fat free. Hydrolysis of of the cake mix yields glucose, fructose, glycerol, and amino acids, molecules with hydrocarbon chains and a carboxyl gro
For a sample with the standard deviation of 10, a score of X = 44 corresponds to a z-score of 0.50. Based on this info, what is the sample mean.
What is random sampling and why is it so essential? Please address both parts of this question.
Cold fusion in brief hailed as the silver-bullet solution to the world's energy problems and since discarded to the same bin of quackery as paranormal phenomena and perpetual motion machines would s
Astronomers discover a binary star system that has a period of 93 days. The binary star system consists of two equal-mass stars, each with the mass twice that of the sun, that rotate like a dumbbell
A spring with spring constant 18N/m hangs from the ceiling. A 580g ball is attached to the spring and allowed to come to rest. It is after that pulled down 8 cm and released.