physics
Suppose runner A starts at the 0 degree mark on a circular track (circumference = 400m). And let runner B start at the 180 degree mark. If runner A starts running counter clockwise with acceleration 2m/s^2, and runner B runs clockwise with constant speed of 7 m/s, at what angl...
math
there are 5 people.Each person has 1 hat.How many are in all.4
Algebra 1
xWrite the equation so that y is a function of x. -9x + 3y =18
Math
The formula s = the square root of 18d can be used to fnd the speed s of a car in miles per hour when the car needs d feet to come to a complete stop after slamming on the brakes. If it took a car 12 feet to come to a complete stop after slamming on the brakes, estimate the sp...
CHEM HELP ASAP!
As a solid, Ag adopts a face-centered cubic unit cell. How many unit cells are present per cubic centimeter of Ag?
5th grade math
The moon is about 240.000 miles from Earth. What is this distance written as a whole number multiplied by the power of ten?
5th grade math
What missing number makes the number sentence, 28.02=20+8=?, true?
language
Circle the simple subject and underline the simple predicate. The smell of cooking is delicious to the hungry campers.
CHEM HELP ASAP!!
Two 20.0-g ice cubes at –10.0 °C are placed into 275 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. heat capacity h2o (S)=37.7 j/mol*k heat capacity h2o (l...
CHEM HELP ASAP!
Calculate the heat energy released when 29.7 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point. Constants for mercury at 1 atm: Heat capacity of Hg (l) 28.0 J/Mol*K, Melting pt 234.32 k, and enthalpy of fusion 2.29 kg/mol
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