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An electron is placed between two charged parallel plates separated by 2.0 × 10-2 m. The electron accelerates at 5.0 × 1014 m/s2. What is the voltage between the plates? The mass of the electron is 9.1 × 10-31 kg and the charge is -1.6 × 10-19C.
In the hammer throw, a competitor Whirls a 7.25 kilogram ball on at ether around in a slanted circle and releases it on an upward path to achieve the largest travel distance they can get. compute the force the tendons in the shoulder must exert to ..
A standing wave in a pipe with both ends open has a frequency of 444 Hz. The next higher harmonic has a frequency of 602 Hz. Determine the fundamental frequency. How long is the pipe?
As you stand by a railroad track a train passes with its whistle blowing. As it passes, you hear a frequency shift equal to 24% of the frequency of the whistle. How fast is the train moving. Express your answer in km/hr. (Speed of sound is 331..
A longitudinal standing wave can be created in a long, thin aluminum rod by stroking the rod with very dry fingers. This is often done as a physics demonstration, creating a high-pitched, very annoying whine. From a wave perspective, the standing wav..
A battery with \Epslion 12.0 V delivers a termal voltage of 11.2 V to a 45.0 V to a 45.0 \Omega load resistor. Calculate The value of the battery's internal resisance
5. Projectile motion. You make a goal kick in a soccer game while you are 1.5 m away from the goal entrance. As the ball leaves your foot, it makes an angle of 55° with the ground and travels at 6 m/s. If the top of the goal is 3.0 m high, does you..
there are two solenoids one with 100 turns and the other with 200 turns. if both carry the same current will the one
A man throws a stone vertically downward with an initial speed of 16 m/s from the roof of a building 44.7 meter above the ground. Obtain the velocity when the stone hits the ground
A compound microscope has a barrel whose length is 16.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near point located 25 cm from his eyes. What focal length should the objective have so the angular magnification of the microsco..
A small turbo-prop commuter airplane, starting fromrest on a Tallahassee airport runway, accelerates for 22.5s before taking off. Its speed at takeoff is 50.6m/s.
what is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.84m tall person standing vertically
A person pulls a 26kg suitcase using a rope attached to the suitcase at an angle of 28 degrees to the horizontal. The coefficient of static friction of the suitcase with the floor is 0.3 and the coefficient of kinetic friction is 0.20.
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