physics
When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm
math
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math
A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of electronic work and 2 h...
Maths, Ratio
Mrs Rama uses 0.4 liters of water melon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice. A) Find the ratio of the amount of watermelon juice to the amount of apple juice. B) For every 225 ml of apple juice, how much watermelon juice should Mrs Rama...
Physics
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 1.12, determine th...
Physics
A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +14 m/s in a time of 25 s. The combined mass of the boat and trailer is 401 kg. The frictional force acting on the trailer can be ignored. What is the tension in the hitch that co...
chemistry
Copper (II) fluoride contains 37.42% {\rm F} by mass. Use this percentage to calculate the mass of fluorine (in {\rm g}) contained in 56.0{\rm g} of copper (II) fluoride
science
what is the density of a piece of wood that has a mass of 85.0 grams and a volume of 100.0 cm 3 ?
Chem 204 Lab
Dr. S. N. Too ran the above reaction using 10.00 g of 1,5-pentanediol and 7.00 g of HCl. He obtained 9.23 g of 1,5-dichloropentane. What was his per cent yield? HO(CH2)5OH + 2 HCl --------> Cl(CH2)5Cl + 2 H2O
Chem Lab
@Drbob222 2-methyl-2-butanol
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