What is the momentum of a system of two particles with these respective masses and velocities: 3.75 kg moving north at 5.6m/s and 4.2 kg moving northwest at 2.3m/s?

What is the momentum of a system of two particles with these respective masses and velocities: 3.75 kg moving north at 5.6m/s and 4.2 kg moving northwest at 2.3m/s?

A car is turning on a circular path with a constant speed of 7 m/s. If the car mass is 1200 kg and the coefficient of static friction is between the cars tires and the road .68 what is the radius...

1.48 mol carbon tetrafluoride

I'm struggling to understand on how to do this, I'm currently trying to use dimensional analysis to solve the problems, please help. 1. What is the mass of 12.5 moles of silicon? 2...

A Student moves a box of books with a rope by pulling the rope with a force of 90 N at an angle of 30°. The books have a mass of 20 kg and a coefficient of friction between the box...

the compound xylene consists of 90.49% C and the rest is hydrogen.What is the empirical formula?

FeCl3 Mass % of Fe, Cl Express your answer using four significant figures

If you dissolve 300 g of salt in 10 litres of water, what is the density of that solution of salty water? In this particular example, assume that the total volume doesn’t change when salt is added...

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m(t) = 6e−0.087t where m(t) is measured in grams. a) Find the initial mass (mass at time t = 0). b) How much of the mass remains after 20 days?

If 10 drops of 0.5 mol L-1 Na3PO4(aq) had been added to the sample containing excess 0.25 mol L-1 Ca(NO3)2(aq), what mass of precipitate would you expect to produce? You may assume one drop is equal...

Please answer my qs as fast as possible plzzz.... Tomorrow I have exam.

sg=0.751 find mass and weight of the gasoline in SI units

When 2 dozen cans of food are placed in a bucket, the mass is 4560g. When 18 cans of food are placed in the same bucket, the mass is 3480 g. What is the mass of the bucket?

it is a small cube and is wooden and it floatTS DENSITY MASS volume prediction result material grams centimeters

The density of iron is 7.86 g/cm3. What is the mass of 15.0 cm3 of iron?

Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H2O) and carbon dioxide (CO2) chemically react to form the simple sugar glucose (C6H12O6)...

A .500 kg mass is oscillating on a spring with k= 330 N/m. The total energy of it's oscillation is 3.24 J. What is the speed of the mass when it is .100 m from the EP?

Ball A, with a mass of 20 kilograms, is moving to the right at 20 meters per second. At what velocity should ball B, with a mass of 40 kilograms, move so they both come to a standstill upon...

pounds of weight per square foot of horizon area. a) how many kilograms per square metre is this? b) after a snowfall, a square foot flat roof covered with snow has a weight of 22.2 pounds...