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An unmanned spacecraft of mass 459 kg, is in a circular orbit around the earth, observing the earth's surface from an altitude of 58.3km.
What is the orbital speed of the spacecraft?
What is the period of the spacecraft's orbit?
What is the escape velocity of the spacecraft?
To the dismay of scientists, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 17.3 . If nothing is done to correct its orbit, with what speed will the spacecraft crash into the earth's surface?
What is the maximum speed the car can have at point B for the gravitational force to hold it on the track.
In an R-L-C series circuit the magnitude of the phase angle is 52.9? with the source voltage lagging the current. The reactance of the capacitor is 360? , Find the reactance of the inductor
A gauge-12 wire has diameter centimeters and length meters. while the voltage volts is applied to the ends of the wire, the current is amperes. The concentration of free electrons in the wire is per cubic meter.
Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.6 seconds, what will be his final velocity and how far will he fall
A series RLC circuit contains an AC generator (120 volts rms, frequency = 60 Hz), a 35.0 ohm resistor, a 1.49×10^?5 F capacitor, Determine the inductive reactance
A camera with a telephoto lens of focal length 125 nm is used to take a photograph of a plant 1.8 m tall. The plant is 5.0 m from the lens. How tall is the image
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
In a fast-pitch softball game the pitcher is impressive to watch, Determine the angle of the total acceleration relative to the radial direction
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
The electric field on the surface of a 12cm -diameter sphere is perpendicular to the sphere, What is the electric flux through the sphere
A uniform electric field of magnitude 4.10 × 105 N/C points in the positive x direction, Find the change in electric potential energy
The first puck is deflected 35.8° to the right and moves off at 0.331 m/s. Find out speed of the second puck after the collision.
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