As part of a fiendish plan, the physics student society decided to use a catapult to launch a water balloon toward the engineering quad. The catapult launches the balloon ( m =4.24 kg) with an initial speed of v 0=18.2 ...
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Question: A rock is suspended by a massless string. When the rock is invacuum, the tension in the string is 39.2 N. When the rock iscompletely immersed in water, the tension is 28.4 N. When the rockis completely immersed ...
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Question: A small 100 g cart is moving at 1.20 m/s on a friction less track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.850 m/s. What is the speed of the large c ...
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Question: A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0 s intervals until t = 3.0 s. At t = 1.0 s, the ball's velocity ...
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What are (a) the x component, (b) the y component, and (c) the z component of if r=a-b+c if a =8.0i+6.0j-3.3k, b=-5.5i+4.5j +6.0k and c=1.1i+5.6j+6.3k. (d) Calculate the angle between and the positive z ...
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Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...
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Question: Part A: Find the energy U0 stored in the capacitor. Express your answer in terms of A, d, V, and ϵ0. Remember to enter ϵ0 as epsilon_0. Part B: The capacitor is now disconnected from the battery, and the plat ...
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Question: Pennies today are copper-covered zinc, but older pennies are 3.1 g of solid copper. What are the total positive charge and total negative charge in a solid copper penny that is electrically neutral?The density ...
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Question 1: Rob was supposed to spend his two-week school work experience at his local auto-repair shop. Unfortunately, his time on the job only lasted two days. On day two, Rob was asked to get the 1-liter air tool oil ...
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Question: An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m,M,h,R and app ...
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