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A satellite of mass 200 kg is launched from a site on earth’s equator into an 200 km above the surface of earth (a) assuming circular orbit what is the orbital period of the satellite (b) what is the satellite speed in its orbit (c) what is the minimum energy essential to place the satellite in orbit assuming no air friction
A singly ionized helium atom (He+) has only one electron in orbit about the nucleus. What is the radius of the ion
A police officer spots a speeding car traveling at 20 m/s (approximately 44 mph) as it passes. How far will the officer have to drive before catching up to the speeding car
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
It takes 16J of energy to move a 0.30-mC charge from one plate of a 15-?F capacitor to the other, How much charge is on each plat
An object is placed 12.2 cm to the left of a diverging lens of focal length -5.10 cm. Find the distance d that places the final image at infinity
two wires are welded together end to end. the wires are made of the same material, but the diameter of one is twice that of the other. what is the length of the thick wire
A house has well-insulated walls. It contains a volume of 75 m3 of air at 295 K. (a) Consider heating it at constant pressure. Calculate the energy required to increase the temperature of this diatomic ideal gas by 2°C. kJ (b) If this energy could be..
An 6.60-cm-diameter, 370 g sphere is released from rest at the top of a 2.00-m-long, 19.0 deg incline. find the sphere's angular velocity at the bottom of the incline
A mercury manometer is connected to a container of gas. if the gauge pressure of the gas doubles, what are the new heights of the two columns
A 12mm-high object is 10cm from a convex mirror with focal length 17cm. How far is its image from the mirror
A battery delivers 2.54A to a resistor rated at 4.60? . When it is connected to a 2.15? resistor, it delivers 4.98A. Determine the battery's terminal voltage
A square loop is rotating around it's vertical axis in a magnetic field of strength B = 0.06 T as shown in View , calculate the current flowing in the loop
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