View Available Hint(s) K= Submit Part B for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A hmin Find the minimum initial height hminat which the car can be released that still allows the car to stay in contact with the track at the top of the loop. Neglecting frictional losses, what is the expected speed of the coaster as it passes over the top of the Second question has no real answer unless we assume that the potential energy is zero at the ground level. Assume the child is not holding on and does not wear a seat belt. >. Physics. Q:On August 12, 2000, the Russian submarine Kursk sank to the bottom of the sea, approximately 105, Q:Why the potential difference (6 V) is the same across all the resistors if they have different, Q:A pump is responsible for raising a fluid A physics major is cooking breakfast when she notices that the frictional force between her steel spatula and Teflon frying pan is only 0.200 N. Knowing the coefficient of kinetic friction between the two materials, she quickly calculates the normal force. Find the positionr(t)r(t)and velocityv(t)v(t)as functions of timet. A particle of massmis located at the origin. What is (a) the acceleration of each block and (b) the tension in the string? Where must an object be placed in order, Q:A parallel-plate air capacitor with a capacitance of Show that the maximum angle of an incline above the horizontal for which an object will not slide down is=tan1s.=tan1s. Use of this site is governed by our Terms Of Service and Privacy Policy. All are equivalent and refer to the same thing. The problem with trying to answer is that your questions are far to general. In the figure, a frictionless roller coaster car of mass m = 805 kg tops the first hill with speed vi = 18 m/s at height h = 41 m. What is the speed of the car at (a) point A, (b) point B, and (c) point C? Magnitude of Vem i = Is a collection of years plural or singular? Find the following. Suppose that the resistive force of the air on a skydiver can be approximated byf=bv2.f=bv2. 6. The staff loading individual (separate) cars on the ride said each had a minimum and maximum requirement to clear a hill - too little, it wouldn't accelerate enough down one hill to clear the next up, too much it wouldn't go up that hill either.

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