R, A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 250 m, as shown in the figure. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill? Submit Answer Tries 0/5

R, A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 250 m, as shown in the figure. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill? Submit Answer Tries 0/5

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 32P: It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction can be ignored, how...

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Ⓒ Macmillan Learning An engineer wants to design an oval racetrack such that 3.20 × 10³ lb racecars can round the exactly 1000 ft radius turns at 96 mi/h without the aid of friction. She estimates that the cars will round the turns at a maximum of 175 mi/h. Find the banking angle necessary for the race cars to navigate the turns at 96 mi/h without the aid of friction. 0 = This banking and radius are very close to the actual turn data at Daytona International Speedway, where 3.20 × 10³ lb stock cars travel around the turns at about 175 mi/h. What additional radial force is necessary to prevent a race car from drifting on the curve at 175 mi/h? radial force: N
An amusement park ride called the Rotor debuted in 1955 in Germany. Passengers stand in the cylindrical drum of the Rotor as it rotates around its axis. Once the Rotor reaches its operating speed, the floor drops but the riders remain pinned against the wall of the cylinder. Suppose the cylinder makes 24.5 rev/min and has a radius of 3.70 m. What is the minimum coefficient of static friction ?sμs between the wall of the cylinder and the backs of the riders?
E A roller-coaster car has a mass of 1200 kg when fully loaded with passengers. As the car passes over the top of a circu- lar hill of radius 18 m, its speed is not changing. At the top of the hill, what are the (a) magnitude Fy and (b) direction (up or down) of the normal force on the car from the track if the car's speed is v = 11 m/s? What are (c) Fy and (d) the direction if v = 14 m/s? 48 %3D
C A yoyo is spined in a horizontal circle 1.5m in radius at a rate of 1 revolution every 2 seconds. Find the centripetal acceleration of the ball in m/s^2.
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A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is tt, and it reaches a maximum height hh. Assume that air resistance is negligible. Part A Find the height reached by the ball. Express your answer in terms of the variable ttt and appropriate constants. Part B If the ball is in the air for 4.8 ss , find a height it reaches. Express your answer to two significant figures and include the appropriate units. Part C If the ball reached the same height as when tossed at some other angle, would the time of flight be the same?