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A 211.8 kg satellite is in a circular orbit of 22,000 miles (35,405,000 m) in radius. The force keeping the satellite in orbit is 41.9 N. What is the velocity (speed) of the satellite?
you throw a ball upward with an initial speed of 4.6 rm ms. when it returns to your hand 0.94 rm s later it has the
a single-turn square loop of side l is centered on the axis of a long solenoid. in addition the plane of the square
A proton and an electron are moving due east in a constant electricfield that also points due east. The electric field has a magnitudeof 3.0 x104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
A violinist places her finger so that the vibrating section of a 1 g/m string has a length of 40.00 cm, after that she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with a wavelength of 30 cm.
a van de graaff generator has a dome of radius 2.0 m. a motor causes a charged insulating belt to travel continuously
Considering Wiener's experiment (fig. 7.14) in monochromaticlight of wavelength 550nm, determine the number of bright bands per centimeter that will appear on it
Consider the circuit shown in the figure below. (Assume R1 = 13.0 ohm and R2 = 4.50 ohm) Find the potential difference between points a and b. Find the current in the 20.0-ohm resistor.
A particle with a mass of 6.64* 10^-27 kg and a charge of +3.2*10^-19 C is accelerated from rest through a potential difference of 2.45*10^6 V. find the magnitude if the magnetic force exerted on the particle
A rabbit runs in a straight line with a velocity of +1.40 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.63 m/s for an unknown amount of time.
On a vacation flight, you look out the window of the jet and wonder about the forces exerted on the window. calculate the force exerted on the window by air pressure
A rod with an initial length of 4.67 m i heated from a temperature of 5 oC to 58 oC. What is the new total length of the rod
Thunderclouds typically develop voltage differences of about 1×108 V. Given that an electric field of 3×106 V/m is needed to produce an electrical spark within a volume of air, estimate the length of a thundercloud lightning bolt.
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