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Two plastic semicircular rods are arranged into a complete circle with radius 8.5cm. The top half has charge of +15 pC, and the bottom half has charge of -15pC. Determine the magnitude and direction of the electric field at the center of the circl..
A baseball (m = 137 g) approaches a bat horizontally at the speed of 40.6m/s (91 mi/h) and is hit straight back at a speed of 45.1m/s (101 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the..
Pandora Jewellery has turn into the best choice for ladies all more than the world who desires to express their personal style. The Pandora Bracelets provide a rich array of stylish diamond jewellery developed by artisans utilizing the finest mate..
A 1400 wrecking ball hangs from a 20 -long cable. The ball is pulled back until the cable makes an angle of 30.0 with the vertical. By how much has the gravitational potential energy of the ball changed?
Explain the valve minor loss coefficient and how you would go about determining K.
A woman throws a ball at a vertical wall d = 3.0 m away. The ball is h = 1.5 m above ground when it leaves the woman's hand with an initial velocity of 12 m/s at 45°.
Two particles are fixed on an x axis. Particle 1 of charge 51.50 μC is located at x = -33.2 cm; particle 2 of charge Q is located at x = 10.10 cm. Particle 3 of charge magnitude 37.7 μC is released from rest on the y axis at y = 11.30 cm.
Two 4.0 cm -diameter disks face each other, 1.5 mm apart. They are charged to +/- 13 nC. 1) What is the electric field strength between the disks?
What distance does baseball move before its release
Two horizontal curves on a bobsled run at the similar angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve.
Vector and scalar quantities. Part (a) Which of the following below is a scalar quantity? Part (b) What information do vectors quantities convey? Part (c) Which of the following is a vector quantity?
Sunlight is used in a double-slit interference experiment. The fourth-order maximum for the wavelength of 470 nm occurs at an angle of θ = 90°. Thus, it is on the verge of being eliminated from the pattern since θ cannot exceed 90°.
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