Question

12. A drag racing car starts from rest at 0 and moves along a straight line with velocity given by v br, where b is a constant. The expression for the distance traveled by this car from its position at t0 is: 13. This graph shows the velocity of a particle as a function of time. During what interval is its displacement negative? v(ms) A)0-2s B) 2s-5s C)5s-9s D) 0-9s E) Its displacement is not negative 12F- t(s) between 0 and 9 s 14. Throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration could be: A) positive and negative, respectively C) negative and negative, respectively E) positive and zero, respectively B) negative and positive, respectively D) negative and zero, respectively
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
12. A drag racing car starts from rest at 0 and moves along a straight line...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 12-10. Car A starts from rest at t-0 and travels along a straight road with a...

    12-10. Car A starts from rest at t-0 and travels along a straight road with a constant acceleration of 3 m/s until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when-0, car B located 2000 m down the road is traveling towards A at a constant speed of 20 m/s. Determine the distance travelled by car A when they pass each other. 20 m/s 2000 m 12-11. A particle travels along a straight line with...

  • A car starts from rest and moves along a straight line with an acceleration of a...

    A car starts from rest and moves along a straight line with an acceleration of a =10x(-1/5) m/s where x is in meters. Determine the cars position and velocity when = 4.481 s. X(4.481) V(4.481) =

  • A particle moves in a straight line with the acceleration shown. The particle starts from the...

    A particle moves in a straight line with the acceleration shown. The particle starts from the origin with V.=-2 m/s. Construct a) Velocity versus time and Position versus time curves for 0 <t< 18 seconds b) Determine the position and the velocity of the particle when t=18 seconds c) Determine the total distance traveled. ooo a( )

  • Given A position of a particle which moves along a straight line is defined by the...

    Given A position of a particle which moves along a straight line is defined by the relation'小64-m» 40, where s is expressed in feet and t in seconds Find a) O b) Or derive the equation of the particle's acceleration as a c) The time at which the velocity will be zero. d) The position of the particle when the velocity is zero. e) The acceleration of the particle when the velocity is zero. t) The displacement of the particle...

  • 1. A racing car starts from rest and reaches a final speed v in a time...

    1. A racing car starts from rest and reaches a final speed v in a time interval of t after traveling a distance on a straight line. If the acceleration a of the car is constant during this time, which of the following statements can not be true? (a) The car travels a distance of v 2 2a . (b) The acceleration of the car is v 2t 2 . (c) The velocity of the car at t/2 (at one...

  • A particle starts from rest at x = -1.8 m and moves along the x-axis with...

    A particle starts from rest at x = -1.8 m and moves along the x-axis with the velocity history shown. Plot the corresponding acceleration and the displacement histories for the 2.0 seconds. Find the time t when the particle crosses the origin. After you have the plots, answer the questions. Chapter 2, Practice Problem 2/015 A particle starts from rest at x = -1.8 m and moves along the x-axis with the velocity history shown. Plot the corresponding acceleration and...

  • 1. A racing car starts from rest and reaches a final speed v in a time...

    1. A racing car starts from rest and reaches a final speed v in a time interval of t after traveling a distance on a straight line. If the acceleration a of the car is constant during this time, which of the following statements can not be true? (a) The car travels a distance of V^2/2a . (b) The acceleration of the car is v/2t^2 . (c) The velocity of the car at t/2 (at one half of the time...

  • 1) A particle moves along the x-axis with an increasing speed. During the time for which...

    1) A particle moves along the x-axis with an increasing speed. During the time for which this occurs, what MAY be the signs of the velocity and acceleration, respectively: A) positive and zero B) negative and negative C) positive and negative D) negative and zero E) negative and positive 2) After a ball is thrown upward and is in the air, what will its acceleration do? A) decrease and then increase B) decrease C) increase D) remain the same E)...

  • (14 pts.) 3. A particle moves along a line so that its velocity at time t...

    (14 pts.) 3. A particle moves along a line so that its velocity at time t is v(t) = + - + - 6 (measured in meters per second). a) Find the displacement of the particle during the time period 1 st 54. b) Find the distance traveled during this time period.

  • A particle starts from rest and travels along a straight line with an acceleration a =...

    A particle starts from rest and travels along a straight line with an acceleration a = (30 – 0.2v) ft/s?, where v is in ft/s. Determine the time when the velocity of the particle is v = 30 ft/s.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT