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A frictionless roller coaster starts from rest 24m above the ground. Part A What's its speed when it reaches the ground? Express your answer to two significant figures and include the appropriate units Part B Upon reaching the ground, the track goes into a vertical, circular loop. Find the maximum loop radius such that the car will maintain contact with the track at the top. Express your answer to two significant figures and include the appropriate unit.
The electric field between the plates of a parallel-plate capacitor is horizontal, uniform and has a magnitude E. What is the mass of the object
at three corners of a rectangle length 11.8 cm height 5.9 cm the following charges are located q1 upper left corner q2
A 1350 kg car accelerates uniformly from 35.5 km/h to 75.5 km/h over 250 m. Determine the time taken for the car to accelerate
After sliding across the horizontal surface, the block of mass M collides elastically with a vertical rod of length R and mass MR that is pivoted at the upper end. What is the maximum displacement angle
Stan and Ollie are standing next to a train track. Stan puts his ear to the steel track to hear the train coming. How far away is the train
question the spectrum of mercury contains a line at 435.8 nm in the blue region of visible light. what is the
A 740 gram grinding wheel 21.5 cm in diameter is in the shape of a uniform solid disk. What torque does friction exert while the wheel is slowing down
On a single, light, vertical cable that does not stretch, a crane is lifting a 1,207-kg Ferrari and, below it, a 1,461-kg BMW Z8. Find the tension in the cable above the Ferrari
An object with a mass of 95 g displaces 755.9 ml of water when it is completely immersed. What is the buoyant force on the mass
A child holds a candy bar 10.0 cm in front of a convex mirrorand notices that the image is only one-half the size of the candybar. What is the radius of curvature of the mirror?
A proton travels with a speed of 4.90 106 m/s at an angle of 57° with the direction of a magnetic field of magnitude 0.160 T in the positive x-direction. determine the magnitude of the magnetic force on the proton
An ocean liner leaves New York City and travels 19.2 ° north of east for 186km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the directions (1) due east and ..
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