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Q1. An electron with a speed of 3.28 × 10^8 cm/s in the positive direction of an x axis enters an electric field of magnitude 1.26 × 10^3 N/C, travelling along a field line in the direction that retards its motion. (a) How far would the electron travel in the field before stopping momentarily, and (b) how much time would have elapsed?
Q2. Both drawings show the same square, each of which has a side of length L = 0.62 m. An observer O is stationed at one corner of each square. Two loudspeakers are located at corners of square, as in either drawing 1 or drawing 2. The speakers produce the same single-frequency tone in either drawing and are in phase. The speed of sound is 343 m/s. Find the single smallest frequency that would produce both constructive interference in drawing 1 and destructive interference in drawing 2.
A child goes down a playground slide with an acceleration of 1.20 m/s2. Compute the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 32.2° below the horizontal.
What was the power of the motor that kept the wheel rotating at 6.5 rev/hr in spite of friction.
Compute the index of refraction of the gas
A cannonball launched with an initial velocity of 161 m/s at the angle of 45 degrees follows a parabolic path and hits a balloon at the top of its trajectory. Neglect air resistance, how fast is it going when it hits the balloon? What is the accelera..
How long would it take you to cover the 83 length of the walkway if, once you get on the walkway, you at once turns around and start walking in the opposite direction with a speed of 1.7 relative to the walkway.
How much time is necessary for the torso to come to rest
Determine the greatest vertical displacement of the pendulum
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.
Decide the speed with the rock is thrown
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
What is magnitude of the unknown force
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