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A hollow, spherical shell with mass 1.75 rolls without slipping down a slope angled at 39.0. Part A Find the acceleration. Take the free fall acceleration to be = 9.80 Part B Find the friction force. Take the free fall acceleration to be = 9.80 Part C Find the minimum coefficient of friction needed to prevent slipping.
An airplane is flying due north at 180 m/s. The Earth's magnetic field has a northward component of 0.3 mT and an upward component of 0.34 mT. Which wingtip is positively charged
If a 2.4 m wave was created using a frequency of 63 Hz, what frequency would be required to creat the next higher harmonic
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
q1. a 2700-kg satellite is in a circular orbit around a planet. the satellite travels with a constant speed of 6270 ms.
A jet flying at 125 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
Two objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
Find the first and second derivative with respect to x of f(x) = (exp(x/a)-exp(-x/a))/2, where exp(x)=e^x is the exponential function.
a 26.5 kg boy slides down a steep slide at a water park that is 10.9 m long and angled 75 degrees above the ground. what is the magnitude of the boys acceleration as he travels down the slide
It is desired to build a heat pump that has an output temperature of 31 °C. Calculate the maximum coefficient of performance for the pump when the input source is ground water at 8.1 °C
A weightlifter's barbell consists of two 15-kg masses on the ends of a 20-kg rod 1.6 m long. find the magnitude of the barbell's angular momentum
Find the charge-to-mass ratio of an unknown point charge that is repelled strongly enough from a single electron to be suspended motionless against its own weight
You charge an initially uncharged 62.7-mF capacitor through a 46.9-? resistor by means of a 9.00-V battery having negligible internal resistance. Find the time constant of the circuit. What is the charge of the capacitor 1.45 time constants after the..
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