Question

The displacement of a car can be expressed according to the equation x=4t+6t2, where 4 is...

The displacement of a car can be expressed according to the equation x=4t+6t2, where 4 is in m/s and 6 is in m/s2 and t is in s. Find the velocity of car at t= 2s. (Hint: Velocity at any instant, vx=dx/dt)

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Ar dis plau dt

Add a comment
Know the answer?
Add Answer to:
The displacement of a car can be expressed according to the equation x=4t+6t2, where 4 is...
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
  • x axis varies in time according to the expression x 6t2, where x is in meters...

    x axis varies in time according to the expression x 6t2, where x is in meters and t is in seconds. Evaluate its position at the following times (a) t-2.90 s (b) t 2.90 s + ar (c) Evaluate the limit of Arat as Δt approaches zero to find the velocity at t-2.90 s. m/s Need Help? Read I

  • A particle moves along the x axis according to the equation x = 1.91 2.99t-1.00e, where...

    A particle moves along the x axis according to the equation x = 1.91 2.99t-1.00e, where x is in meters and t is in seconds. (a) Find the position of the particle at t 2.90 s (b) Find its velocity at t- 2.90 s m/s (c) Find its acceleration at t 2.90s m/s? My Note (a) Can the velocity of an object at an instant of time be greater in magnitude than the average velocity over a time interval containing...

  • A particle's displacement from equilibrium is given by x(t) = 0.32cos(3.4t + ?/4), where x is...

    A particle's displacement from equilibrium is given by x(t) = 0.32cos(3.4t + ?/4), where x is in meters and t is in seconds. (a) Find the frequency f and period T of its motion. f = Hz T = s (b) Find an expression for the velocity of the particle as a function of time. (Use the following as necessary: t.) vx = m/s (c) What is its maximum speed? |vx max| = m/s

  • It's not 4 m/s 0/1 pts Question 3 The equation that gives the particle displacement of...

    It's not 4 m/s 0/1 pts Question 3 The equation that gives the particle displacement of a medium in which there is a simple harmonic progressive wave is y(x, t) sin T (x - 4t), where the units are Sl. At t 2 s, the velocity of a particle at x = 10 m is 4/p m/s. 8 m/s. 4 m/s O. 2 m/s.

  • An object's motion can be described by the equation x(t) = (6.0 m/s2)t2-(2.0 m/s)t+1.0 m.

    An object's motion can be described by the equation x(t) = (6.0 m/s2)t2-(2.0 m/s)t+1.0 m. a. Find the object's position, velocity, and acceleration at t = 3.0 s. Plot the object's position, velocity, and acceleration (all on separate plots) from t = 0 s to t= 5 s. The following graph shows an object's velocity over time. At t-0 s the objects begins its motion at x = -2m.b. What is the object's displacement from t=0 s to t = 6 s? c....

  • the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds

    the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin when t=0, determine the magnitude of the particle's acceleration when t=2s. What is the x,y,z coordinate position of the particle at this instant.

  • A particle moves along the x axis according to the equation x = 1.93 + 2.90t...

    A particle moves along the x axis according to the equation x = 1.93 + 2.90t − 1.00t2, where x is in meters and t is in seconds. (a) Find the position of the particle at t = 3.10 s. m (b) Find its velocity at t = 3.10 s. m/s (c) Find its acceleration at t = 3.10 s. m/s2

  • A particle moves along the x axis according to the equation x = 2.06 + 2.95t...

    A particle moves along the x axis according to the equation x = 2.06 + 2.95t - 1.0062, where x is in meters and t is in seconds. (a) Find the position of the particle at t = 2.80 s. m (b) Find its velocity at t = 2.80 s. m/s (c) Find its acceleration at t = 2.80 s. m/s2 Submit Answer

  • A particle moves along the x axis according to the equation x = 1.93 + 2.99t-1.00p,...

    A particle moves along the x axis according to the equation x = 1.93 + 2.99t-1.00p, where x is in meters and t is in seconds. (a) Find the position of the particle at t2.60 s. (b) Find its velocity at t -2.60 s m/s (c) Find its acceleration at t-2.60 s m/s2

  • suppose the x-velocity vx of the car at any time t is given by the equation:...

    suppose the x-velocity vx of the car at any time t is given by the equation: vx=10m/s + (1.50m/s) t*square* a) find the average x-acceleration in the time interval t1= 1 s and t2= 2.5 s b) derive an expression for the instantaneous acceleration as a function of time, and use it to find ax at t=1 s and t=2.5 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