A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, taking 2.50 s.Then security agents appear, and the man runs as fast as he can back along the sidewalk to his starting point, taking 10.0 s.What is the ratio of the man’s running speed to the sidewalk’s speed?

A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, taking 2.50 s.Then security agents appear, and the man runs as fast as he can back along the sidewalk to his starting point, taking 10.0 s.What is the ratio of the man’s running speed to the sidewalk’s speed?

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 11P: A particle moves along the x axis according to the equation x = 2.00 + 3.00t 1.00t2, where x is in...

See similar textbooks

Similar questions

A particle moves along the x axis according to the equation x = 2.00 + 3.00t 1.00t2, where x is in meters and t is in seconds. At t = 3.00 s, find (a) the position of the particle, (b) its velocity, and (c) its acceleration.
The Shanghai maglev train connects Longyang Road to Pudong International Airport, a distance of 30 km. The journey takes 8 minutes on average. What is the maglev train’s average velocity?
A bullet is fired straight up in the air at an initial speed of 245 m/s. After how much time is the bullet at a height of 10.1 X 10^2 m and heading down?
A pilot flies in a straight path for 1 hour 45 minutes. She then makes a course correction, heading 30 degrees to the right of her original course, and flies 2 hours 30 minutes in the new direction. If she maintains a constant speed of 340 mi/h, how far is she from her starting position? Give your answer to the nearest mile.
A shopper uses the 55-meter long walkalator that goes at 1.5 m/s from the meat section to the vegetable section of a supermarket. If the shopper walks at 1.25 m/s in the same direction as the walkalator, how long will it take her to reach the vegetable section?
In a location where the train tracks run parallel to a road, a high-speed train traveling at 100 m/s passes a car traveling at 20 m/s. How long does it take for the train to be 240 m ahead of the car?
A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 11 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a constant speed of 625 mi/h, how far is she from her starting position? (Round your answer to the nearest mile.)
Starting from its nest, an eagle flies at constant speed for 3.0 min due east, then 4.0 min due north. From there the eagle flies directly to its nest at the same speed. How long is the eagle in the air?
An automobile moves along a straight track beside which markers indicating the car’s position at different time. If the car is at position x1 = 51.2 m and time t1 = 5.3 s and is at x2 = 49.8 m at t2 = 5.4 s, what is the car’s velocity during that time interval?
What is the average velocity of a car that travels from mile marker 32, to mile marker 214 on I-10 in 2 hours and 34 minutes?
A shopper uses the 55-meter long walkalator that goes at 1.5 m/s from the meat section to the vegetable section of a supermarket. If the shopper walks along the same walkalator at 2 m/s in going back to the meat section, how long will it take her to reach the said section?
What is the velocity of a car that travels from mile marker 32 on I-10 to mile marker 312 on I-10 in a time of 2 hours and 45 minutes?