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A balloon filled with helium has a volume of 1.0 x 10-3 L at 20 degrees celcius. what will be the balloons volume at 30 degrees celcius, if the pressure remains constant?
a)6.7 x 10-2
b) 9.70 x 10-2
c)1.03 x 10-3
d)1.11 x 10-3
e)1.50 x 10-3
2.00 mole of an ideal gas at 330k, 3.50 atm and 3.0L are isothermically compressed causing a change of entropy in the system equal to -25.0 J*K^-1. determine the final volume of the system
If an electroscope is charged by induction
A car travels at a constant speed around a circular track whose radius is 2.02 km. What is the magnitude of the centripetal acceleration of the car
The thrust produced by a single jet engine, m = 6700 kg, creates a force of F = 67000 N. It takes the jet a distance of d = 0.8 km to take off. What is the take-off speed of the jet vt in m/s
The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.939 W/m2. How much total electromagnetic energy falls on the area during 1.0 minute
An object of negligible mass has an instantaneous position of .6 AU from the sun, an instant. velocity of 25 km/s, a direction of motion of 30 degrees radially outward from the sun, and a semimajor axis of .38 AU. What is the orbital eccentricity?
If 1,000 gallons per minute (gpm) of water are flowing through a 4-inch (inside diameter) pipe, what is the average velocity of the water in the pipe
he rate P at which a star radiates energy in the form of electromagnetic waves can be calculated using the equation, Calculate a numerical value for the intensity of sunlight
A spool of wire of mass 4.1 kg and radius 0.35 m is unwound under a constant wire tension 4.4 N. Find the friction force on the bottom of the spool
A bird stands on a dc electric transmission line carrying 3300A (Figure 1) . The line has 2.7×10?5? resistance per meter, and the bird's feet are 3.5cm apart
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
A 57-kg water skier is being pulled by a nylon tow rope that is attached to a boat. The unstretched length of the rope is 11 m, What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
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