A fighter pilot, whose mass is 65 kg, completes a vertical loop of radius R=450m with a constant speed v-261 m/s. At the top of the loop, determine the ratio of the apparent weight of the pilot to his regular weight, .WA/W =? Express your answer in Sl units with zero decimal places. Take g=9.8 m/s?. R

A fighter pilot, whose mass is 65 kg, completes a vertical loop of radius R=450m with a constant speed v-261 m/s. At the top of the loop, determine the ratio of the apparent weight of the pilot to his regular weight, .WA/W =? Express your answer in Sl units with zero decimal places. Take g=9.8 m/s?. R

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A car weighing 10.7 kN and traveling at 13.4 m/s without negative lift attempts to round an unbanked curve with a radius of 61.0 m. (a) What magnitude of the frictional force on the tires is required to keep the car on its circular path? (b) If the coefficient of static friction between the tires and the road is 0.350, is the attempt at taking the curve successful?
Which of these equations would you use to calculate the very least speed with which you could swing a bucket of water of mass m in a vertical circle of radius r and still keep the water in the bucket? A) v = √(rg) B) v = √(rg tan θ) C) v = √(mrg) D) v = mgh E) v = mg/r
The pilot of an airplane executes a loop-the-loop maneuver in a vertical circle. The speed of the airplane is 300 mi/h at the top of the loop and 450 mi/h at the bottom, and the radius of the circle is 1 200 ft. (a) What is the pilot’s apparent weight at the lowest point if his true weight is 160 lb? (b) What is his apparent weight at the highest point? (c) What If? Describe how the pilot could experience weightlessness if both the radius and the speed can bevaried. Note: His apparent weight is equal to the magnitude of the force exerted by the seat on his body.
Because the Earth rotates about its axis, a point on the equator experiences a centripetal acceleration of 0.033 7 m/s2, whereas a point at the poles experiences no centripetal acceleration. If a person at the equator has a mass of 75.0 kg, calculate (a) the gravitational force (true weight) on the person and (b) the normal force (apparent weight) on the person. (c) Which force is greater? Assume the Earth is a uniform sphere and take g = 9.800 m/s2.
In the figure, 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 = 284 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
An engineer wants to design a circular racetrack of radius r such that cars of mass m can go around the track at speed V without the aid of friction or other forces other than the perpendicular contact force from the track surface. Find an expression for the required banking angle θ of the track, measured from the horizontal. Express the answer in terms of m, r, V, and g. Suppose the race cars actually round the track at a speed w>V. What additional radial force Fr is required to keep the cars on the track at this speed? Express the answer in terms of m, r, V, w, and g.
Assume you are agile enough to run across a horizontal surface at 8.50 m/s, independently of the value of the gravitational field. What would be (a) the radius and (b) the mass of an airless spherical asteroid of uniform density 1.10 × 103 kg/m3 on which you could launch yourself into orbit by running? (c) What would be your period? (d) Would your running significantly affect the rotation of the asteroid? Explain.
A body of masss 3 kg moves in a counterclockwise circular path of radius 9 meters, making one revolution every 8 seconds. You may assume the circle is in the xy-plane, and so you may ignore the third component. A. Compute the cetripetal force acting on the body. (_,_) B. Compute the magnitude of that force.
A jet pilot flies his aircraft in a vertical loop at a speed of 1200 km/h. Part A What is the minimum radius of the circle (in meters) such that the pilot experiences no more than 6.0 g of centripetal acceleration when at the bottom of the loop? Part B The pilot has a mass of 78 kg. What is his effective weight at the bottom of the loop? Part C The pilot has a mass of 78 kg. What is his effective weight at the top of the loop? (Assume the same speed.)
A jet dives vertically at a speed v=186 m/s, before pulling out the dive along a circular arc. The can survive an acceleration of a=7.2 g. His mass is m=92 kg. (A) what is the minimum radius of the circular arc, and meters, that the pilot can make without injury?(b) what will be the magnitude of the normal force, in newtons, be at the top of an arc of this radius going the same velocity?
A stunt pilot in an air show performs a loop-the-loop in a vertical circle of radius 2.87 X 103 m. During this performance the pilot whose weight is 821N, maintains a constant speed of 2.10 x 102 m/s. (a) When the pilot is at the highest point of the loop determine his apparent weight. N (b) At what speed will the pilot experience weightlessness? m/s (c) When the pilot is at the lowest point of the loop determine his apparent weight. N
A roller-coaster car of mass 309 kg (including passengers) travels around a horizontal curve of radius 35.2 m. Its speed is 21.3 m/s. a. What is the magnitude of the total force exerted on the car by the track? answer in N b. What is the direction of the total force exerted on the car by the track? Enter a positive angle if the direction is above horizontal and a negative answer if the direction is below horizontal. answer in degrees c. If the track is frictionless, then what banking angle would ensure that the car does not slide off of the track? (The banking angle is the angle between the direction normal to the track and the vertical.) answer in degrees