1. In a fun run, Adrian covered 50 m in 7.0 s. Assuming he maintained hisspeed, how far did he run for 35 seconds?2. Brian has a speed of 8.2 m/s. How long will it take him to cover a distanceof 200 m?3. Vicky and Henry took a 5-minute walk northward along a straight road toa tree 300 m away. What is their average velocity in m/s?4. Carlo drives his car with an average velocity of 25 m/s to the South LuzonExpressway. How long will it take him to drive 450 km on a perfectlystraight highway?5. At the start of a trip, the odometer has an initial reading of 51 025 km. Thetrip took 2.5 h and at the end of the trip, the odometer reading was 60 850km. What is the average speed of the vehicle in m/s?6. An MRT Train accelerates at a rate of 2.75 m/s from rest for 3.00 s. Howfast will the train be moving after the time?7. A cyclist starts from rest and accelerates at 1.5 m/s to a speed of 15 m/s.How long did it take the cyclist to attain the final speed?8. A ball rolling in a straight line decelerates at 0.6 m/s to 2 m/s in 10 s. Whatis the initial speed of the ball?9. A car is moving at 25 m/s along a straight highway. How long it will takethe car to stop if it decelerates at 10 m/s every second?10. BONUS

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Answered: 1. In a fun run, Adrian covered 50 m in…

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Physics

1. In a fun run, Adrian covered 50 m in 7.0 s. Assuming he maintained his speed, how far did he run for 35 seconds?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2.73AP: Kathy tests her new sports car by racing with Sian, an experienced racer. Both start from rest, but...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

1. In a fun run, Adrian covered 50 m in 7.0 s. Assuming he maintained his
speed, how far did he run for 35 seconds?
2. Brian has a speed of 8.2 m/s. How long will it take him to cover a distance
of 200 m?
3. Vicky and Henry took a 5-minute walk northward along a straight road to
a tree 300 m away. What is their average velocity in m/s?
4. Carlo drives his car with an average velocity of 25 m/s to the South Luzon
Expressway. How long will it take him to drive 450 km on a perfectly
straight highway?
5. At the start of a trip, the odometer has an initial reading of 51 025 km. The
trip took 2.5 h and at the end of the trip, the odometer reading was 60 850
km. What is the average speed of the vehicle in m/s?
6. An MRT Train accelerates at a rate of 2.75 m/s from rest for 3.00 s. How
fast will the train be moving after the time?
7. A cyclist starts from rest and accelerates at 1.5 m/s to a speed of 15 m/s.
How long did it take the cyclist to attain the final speed?
8. A ball rolling in a straight line decelerates at 0.6 m/s to 2 m/s in 10 s. What
is the initial speed of the ball?
9. A car is moving at 25 m/s along a straight highway. How long it will take
the car to stop if it decelerates at 10 m/s every second?
10. BONUS

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