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1- What is the density of carbon dioxide (CO2) gas if 0.196g occupies a volume of 100ml?
2- A block of wood 3.0cm on each side has a mass of 27g, what is the density of this block of wood?
3- An irregularly shaped stone was lowered into a graduated cylinder filled with 2ml of water and it rose to 7ml. If the mass of the stone was 25g what is the density of the stone?
4- A 10.0cm3 sample of copper (Cu) has amass of 89.6g. What is the density of copper (Cu)?
5- Silver (Ag) has a density of 10.5g/cm3 and Gold (Au) has a density of 19.3 g/cm3. Which would have a greater mass, 5cm3 of Silver (ag) or Gold (Au)?
6- 5ml of ethanol (C2H5OH) has a mass of 3.9g, and 5.0 ml of benzene (C6H6)has a mass of 4.4g, which liquid has the greater density?
A transformer connected to a 120 V ac line needs to supply 12,500 Vac to power an immense neon sign used as a business advertisement. What is the ration of secondary to primary turns of the transformer needed in order to make the sing light-up?
you are bowling and have one pin left standing. you roll the 10kg bowling ball at a velocity of 1 m s into the 1kg pin
At an accident scene on a level road, investigators measure a van's skid mark to be 86 meter long. estimate the speed of the van when the driver slammed on (and locked) the brakes
A woman slowly lifts a box weighing 48.0 N from the floor to a shelf 1.50 m above, Find the net work done on the box
A 20cm long hollow tube of inner diameter 2.8nm, outer diameter 3.0mm is connected to a battery. what is the potential drop across the tube
Determine the speed of the helium ion relative to the laboratory. The mass of the helium ion is 5.01*10^-27 kg
draw an accurate sketch of the vector addition of the two known forces. use a protractor to draw the forces in the
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 8.19 × 105 kg
A 43kg block of ice slides down the frictionless incline 1.50m long and 0.82m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed.
A 7.00g coin is placed 17.0cm from the center of a turntable. What is the maximum angular velocity with which the turntable can spin without the coin sliding
At time t=0.00s an element of the string at x= 0.00 m has a transverse position y = 0.00 cm and is moving with an upward velocity. Write a specific expression for the wave function (include aH numerical quantities for credit!).
In physics we were told that gravity pulls up down and that a chair for instance pulls up and that the forces balance each other out buy how can a chair have a force i find this a little confusing. Can any1 help?
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