science
suppose you are standing on a sidewalk . describe your motion relative to the car and the plane
physics
a40w motor conectedto a 9v battery can lift an object 40m in 10s
physics
A 0.26 kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff the rock has a speed of 28 m/s. (a) Assuming that air resistance can be ignored, find the initial speed of the rock. (b) Find the greatest hei...
science
I came up with: EI-F = 0.5[EI-I + EF-F] + (χF – χI)2 EI-F = 0.5[1.5546+ 1.6583] + (3.98 – 2.66)2 Solving this gives EI-F = 3.34885 eV = 323 kJ/mol Similarly ECl-F = 265 kJ/mol and EI-Cl = 219 kJ/mol So to break the I-Cl bond, Wavelength of radiation= 6.625x...
statistics.. URGENT!! PLZ!!
.1336
Physics
im trying to study for my exam by doing problems, however im stuck with this one. any help is appreciated In doing a load of clothes, a clothes drier uses 16 A of current at 240 V for 59 min. A personal computer, in contrast, uses 2.3 A of current at 120 V. With the energy use...
Pre- Algebra
I'm not going to just answer these for you. So here goes: the symbol "^" is called a caret. It is the mathematical sign for an exponent. It is simply a shorthand way of writing a set of repeating multiplications, just like multiplication is shorthand for addition...
math
If Joe throws a pair of six-sided dice and records the sum of the first throw, how many more times must Joe throw the dice to ensure that he records the same sum as the first throw?
7th Grade Science
It's asking how the people would move around in relation to each other as water and then as vapor. Water is heavier than air and the molecules connected by hydrogen bonding, and tend to stay close to each other, all moving together. Hence, in a room, it would be a group of...
Microecomics
Assume that American rise sells for $100 per bushel, Japanese rice sells for 16,000 yen per bushel, and the nominal exchange rate is 80 yen per dollar. Explain how you could make a profit from this situation. What would be your profit per bushel of rice? If other people exploi...
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