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Oxygen gas having a volume of 1050 cm3 at 35.0°C and 1.01 105 Paexpands until its volume is 1550cm3 and its pressure is 1.06 105 Pa.
(a) Find the number of moles of oxygen present.
mol
(b) Find the final temperature of the sample.
°C
Can a photon and an electron of the same momentum have the same wavelengths? Calculate their wavelengths if the two have the same energy
Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 84.7 N. Find the new angles they make regarding the x axis. (By symmetry, these angles would be the same.)
A turn on a racetrack has a radius of curvature of 2000 ft and a bank angle theta. If cars travel at 140 mph through the turn find a) the minimum bank angle so the cars won't slip sideways during the turn.
In a tennis serve, a 0.070 kg ball can be accelerated from rest to 36 m/s over a distance of 0.75 m. Find the magnitude of the average force exerted by the racket on the ball
A 1200 kg car carrying four 77 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. By how much does the car body rise on its suspension owing to this decrease i..
A particle of charge +12 uC and mass 3.8 x 10^-5 kg is released from rest in a region where there is a constant electric field of +480 N/C
A bullet of mass 0.025kg moves at 100m/s initially. It hits a 2kg block of soft pine and emerges from the block at 30m/s. How fast is the block of wood moving after the bullet emerged?
In a RLC series circuit, the resistor is 250 ohms, inductor is 0.6 H, capacitor is 3.5 micro Farads. What is the maximum voltage drop across the capacitor
Two small plastic spheres, one charged to 17nC and the other to -17nC are connected by a 25 mm long insulating rod, What is the maximum possible torque on the dipole
A resistor is constructed by forming a material of resistivity 3.5x10^5 into the shape of a hollow cylinder of length 4.0 cm and inner and outer radii of 0.50cm and 1.2cm, respectively. Find the resistance of the cylinder
A proton is at the origin and an electron is at the point x= 0.35nm , y= 0.34nm .Find the electric force on the proton.
A certain satellite travels in an approximately circular orbit of radius 9.1 × 106 m with a period of 8 h 39 min. Calculate the mass of its planet from this information.
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