Acceleration of the moving point

Assignment Help Physics
Reference no: EM1313281

Question: A point moves along the x-axis with its position, x, at time t given by x(t) = t3 - 3t2 + 2t - 1.  Which of the following is the acceleration when t = 2?

  1.     -1
  2.     2
  3.     6
  4.     1

 

Reference no: EM1313281

Questions Cloud

Hypothesis testing at significance level : At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?
Amortization of discount on issue of debentures : Amortization of discount on issue of debentures -  Carson uses the sum-of-the-years-digits method of depreciation. What should the accumulated depreciation be at 31st December, 2008
What is the speed of the block : A car of mass 1800 travelling at 60.7 enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between the road and the car's tires. Use = 9.80 throughout the problem.
What is the average force on the projectile : A polar bear of mass 436 kg stands on an ice floe 58.10 cm thick. What is the minimum area of floe that will just support the bear in saltwater of density of 1030 kg/m3? The specific gravity of ice is 0.88.
Acceleration of the moving point : A point moves along the x-axis with its position, x, at time t given by x(t) = t3 - 3t2 + 2t - 1.  Which of the following is the acceleration when t = 2?
Comparitive advantage for two countries : Assume labor is the only cost of production and labor coefficients (hours of labor required per unit of output) in MACONDO and KRYPTON for each good are as follows:
Evaluate the term capital budgeting : Evaluate the term Capital budgeting and What is the yield to call of Hood Corporation's bonds
Determining prevalence, incidence rate of cervical cancer : Explain the prevalence of the cervical cancer in 1999 and 2004? Specify how many women were at the risk of developing the cervical cancer before being screened in: 1999, and 2004.
Find the value of the treasury stock : When treasury stock is accounted for by the cost method is subsequently sold for more than its purchase price, the excess of the cash proceeds over the carrying value of the treasury stock

Reviews

Write a Review

Physics Questions & Answers

  Determine the radius r of the tire

A stone has a mass of 6.0 x 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.90.

  Find the pressure at pump discharge rate of flow of a pump

Find the pressure at pump discharge, rate of flow of a pump, energy required by the pump, and size of the pump motor.

  Kinetic friction between the block and the table

Determine the coefficient of kinetic friction between the block & the table.

  Establish the coefficient of kinetic friction

Two horizontal forces, 218 N and 157 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to indicate the direction of the net force. (Assume that the 218 N forces are in the positive direction.)

  What is the horizontal component of force

An electron with the initial speed of 4.00×10^5 is brought to rest by an electric field. What was the initial kinetic energy of electron, in electron volts.

  Find out altitude of the airplane

Find out altitude of the airplane

  What is frequency of the string

What is frequency of the string

  Compute the amplitude and phase at the observation screen

Compute the amplitude and phase at the observation screen

  How long is the string

Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equivalent to 60 N at one end, at what point does the other person lift . If the tangential acceleration of a yo-yo at the en..

  What is the change in its linear momentum

A new circus act is called the Texas Tumblers. Lovely Mary Belle swings from a trapeze, projects herself at an angle of 53, and is supposed to be caught by Joe Bob, whose hands are 6.10 above and 8.02 horizontally from her launch point. You can ignor..

  Discover new angles with respect to the x-axis

Discover new angles with respect to the x-axis

  Conclude the magnitude of velocity of each fragment

A skier, weighing 453 n, is skiing down a slope that has an incline of 29 degrees above the horizontal. Compute the acceleration of the skier (coefficient of kinetic friction between the skis and snow is 0.21)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd