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1) From the top of a 40.0m high cliff, two rocks are simultaneously thrown. One is thrown upwards at 20.0m/s, the other is thrown downwards at 8.0 m/s. How far apart are the two rocks after 1.5 seconds?
During a lightning flash, there exists a potential difference of Vcloud - Vground = 1.6 x 109 V between a cloud and the ground. As a result, a charge of -15 C is transferred from the ground to the cloud. How much work Wground–cloud is done on the c..
What is its velocity at impact? What will its average velocity be? What will its average speed be.
A projectile is shot from the edge of a cliff h = 305 m above ground level with an initial speed of v0 = 155 m/s at an angle of 37.0° with the horizontal. Find the maximum height above the cliff top reached by the projectile
A neutral conductor completely encloses a hole inside of it. you observe that the outer surface of this conductor carries a charge of -12 microC. A) can you conclude that there is a charge inside the hole? b) how much charge is on the inner surfac..
A wire of resistance 7.0 isconnected to a battery whose emf is 2.0 V and whose internal resistance is 1.0. How much energy appears in the wire as thermal energy in that time
A parallel plate without a dielectric is connected to a battery and has capacitance of 3.2 x 10-10 Farads and a charge of 8.8 micro-Coulombs on its plates. The distance between the plates of the capacitor is 2.6 cm.
A parallel-plate capacitor in air has a plate separation of1.37 cm and a plate area of 25.0cm2. The plates are charged to a potential difference of268 V and disconnected from thesource. The capacitor is then immersed in distilled water. Assumethat..
A small conductive rod of length 2 m moves with a constant velocity v=17 m/s in a direction parallel to a long wire carrying a current of 26 A. The the axis of the rod is perpendicular to the direction of the wire and the distance between the wire..
Field Retards Motion An electron with a speed of7.50 multiplied by 108 cm/s enters an electric fieldof magnitude 1.00 multiplied by 103 N/C, traveling along thefield in the direction that retards its motion.
An airplane undergoes the following displacements
The side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is the image
The wave reflects from the speeder's car and returns to the police car, where its frequency is measured to be 280 Hz less than the emitted frequency. Find out the speeder's speed with respect to the ground.
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