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You find that if you place charges of ± 1.50 μC on two separated metal objects, the potential difference between them is 10.6 V . What is their capacitance? (μF)
A capacitor has a capacitance of 7.24 μF. What amount of excess charge must be placed on each of its plates to make the potential difference between the plates equal to 25.0 V ? ( μC)
A 6.0-cm-diameter cylinder of nitrogen gas has a 4.0-cm-thick movable copper piston. How many gas molecules are in the cylinder
A space vehicle is coasting at a constant velocity of 28.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.523 m/s2 in the +x direction.
A box starts out at the top of a frictionless ramp, then slides down. The ramp has a heighth=3meters and a slope of5degrees with respect to the ground. What is the total mechanical energy of the box at the top of the ramp
A 66.0 kg astronaut is stranded at a distance of 12.0m from his ship in free space. In order to get back to the ship, he throws a0.50 kg piece of equipment with a speed of 4.0 m/s directly awayfrom the space ship. How long will it take the astronaut ..
The alveoli in the lungs have an average radius of 0.125 mm and areapproximately spherical. If body temperature is 37.0 degrees C, and the pressure in the lungs is atmospheric pressure:
In a series LRC circuit the rms voltage across the resistor is 80.0 V, across the capacitor is 120 V, and across the inductor is 60.0 V. If 1.50 an rms is flowing in this circuit, what is the average power dissipated?
An airplane is to drop an abject to hit a target on the ground. How far in advance should the object be let go in order for it to reach the target
A 19 g bullet is shot into a 5270-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.4 m/s. compute the velocity of the bullet before striking block.
A 3000 kg lunar lander is in orbit 50 km above the surface of the moon. how much work must the thrusters do
A heat engine in each cycle extracts 50,000 Btu of thermal energy and rejects (or releases) 20,000 BtU of thermal energy. How many Btu of work is done each cycle
An athlete whirls a 7.00-kg hammer tied to the end of a 1.3-m chain in a horizontal circle. The hammer makes one revolution in 1.0 s. What is the tension in the chain? What is the centripetal acceleration of the hammer?
A 10.0 g object moving to the right at 22.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 34.0 cm/s
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