What is the centripetal acceleration
A ball with a 7.5 mass is attached to a 3.8 meter string. It is swung around in a circle one revolution is 2.7s. what is its speed ? what is it's centripetal acceleration?
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A 47.0 g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.
The coefficient of static friction between his hands and the book is 0.34. To keep the book from falling, what is the magnitude of the minimum pressing force that each hand must exert?
What is (a) the width and (b) the height of the central bright maximum of the diffraction pattern, measured between the two dark fringes on either side?
A bullet of mass 5.00 g is fired horizontally into a wooden block of mass 1.26 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.160. The bullet remains embedded in the block, which is observed
A person who weighs 600 N steps onto a spring scale in the bathroom, and the spring compresses by 0.94 cm. What is the spring constant?
What is the direction of the net electric field at point = 0.190 on the y-axis?What is the magnitude of the net electric field at point = 0.584 on the y-axis?
A thin circular disk of charge density (sigma) and radius a rotates with angular velocity (omega) about an axis through its center in the plane of the disk. Describe the radiation field using the multipole expansion method.
Given that the flea has a mass of 0.55 , and that two legs are used in a jump, estimate the maximum height a flea can attain by using the energy stored in the resilin. (Assume the resilin to be an ideal spring.)
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After reading about the history of evolutionary psychology in chapter 10 of Hergenhahn's an introduction to the history of psychology" by Henley
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Anais has tested the effect of whether watching violent cartoons at the age of 10 has led to increases in fear of violence later in life.
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