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An electron is initially moving in the +z directionstarting at z = 0 with speed v = 2.54*10^5 m/s. In the regionbetween z = +1.50 cm and z = +2.50 cm there is a uniform electricfiedl of magnitude 4.10*10^4 N/C in the +x direction. Outsidethat region the electric field is zero. Calculate the velocity components of the electron after it leaves the fieldregion.
What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 13m/h? c)Given this average speed for the first 10 miles, can you possibly attain an average speed of 14for the total 20-mile ride?
A car traveling at a constant speed of 21.5 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.10 m/s2. How long does it take the ..
A soccer ball with mass 0.285kg is initially at rest and is kicked at an angle of 22.8 (degrees) with respect to the horizontal. What is the impulse received by the soccer ball during the kick
A piece of aluminum (specific heat 910 J/kg degrees C) of mass 200 g at 80.0 degree C is dropped into a Styrofoam cup filled with 100 mL of water at 20 degree C
A circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 V. Find the average power delivered in the circuit
A ball player hits a home run, and the baseball just clears a wall 20.6 m high located 121.0 m from home plate. How much time does it take for the ball to reach the wall
Explain why the color temperatures of the sun in bright sunlight and in the shade are different, even though the sun did not change temperature. What are the physical causes of this difference, and which is a better estimate for the sun's temperature..
A 75 N man stands in the middle of a frozen pond of radius 20.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. How long does it take him to reach the south shore
A Porsche 944 Turbo has a rated engine power of 217 . 30% of the power is lost in the drive train, and 70% reaches the wheels. The total mass of the car and driver is 1500 , and two-thirds of the weight is over the drive wheels.
A rectangular shape ferry boat is 4.77 m wide and 6.77 m long. When a large loaded truck pulls onto it, it sinks 3.65 cm deeper into the water. What is the weight of the truck
A sanding disk with rotational inertia 8.1 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnitude 20N·m about central axis of the disk. About that axis and with torque applied for 29 ms, what is the magnitude of (..
An additional magnetic field, horizontal and to the right, of 0.3 T is turned on. What are the magnitude and direction of the torque vector on the loop?In Nm
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