Calculate instantenaous velocity and accelration

Assignment Help Physics
Reference no: EM13244769

The displacement of a particle in meters moving along x axis is given by x=18t+5t^2, calculate

(i) instantenaous velocity at t=2 seconds;

(ii) the average velocity between t=2s and t=3 s and

(iii) instantaneous accelration?

Reference no: EM13244769

Questions Cloud

An analyst with river investment : David Wright CEA. An analyst with River Investment is considering buying a Montrose Cable Company corporate bond.
Explain what is the pressure of co : A mixture of .220 moles CO, .350 moles H2 and .640 moles He has a total pressure of 2.95 atm. What is the pressure of CO
The subjective nature of the cf estimates : Often DCF(discounted cash flow) approaches to valuation are unattractive because of the subjective nature of the CF estimates. In industries where "standard" Valuation multiples are available, they are an alternative to DCF analysis. Consider the fol..
Compare and contrast the image of achilles : Compare and contrast the image of Achilles (from the Iliad) to our modern idea of a war hero. How do modern soldiers differ from Achilles? (watch the movie, Troy) How do we honor soldiers vs. how did the Greeks honor them?
Calculate instantenaous velocity and accelration : The displacement of a particle in meters moving along x axis is given by x=18t+5t^2, calculate instantenaous velocity at t=2 seconds and instantaneous accelration
Describe what is the partial pressure of ne : A mixture of 10.0g of Ne and 10 g Ar have a total pressure of 1.6atm. What is the partial pressure of Ne
Find out the relative level of saturation : During a lab experiment, we were to determine the relative level of saturation by adding, drop by drop, a solution of bromine in cyclohexane to oil and a fat, individually. However, the color that is supposed to be retained due to unreacted bromin..
It is possible for us federal budget deficits to crowd out : It is possible for U.S. federal budget deficits to crowd out investment spending in other countries How could German or British investment be hurt by large U.S. budget deficits
What are forces promoting global unity : What are forces promoting global unity and those promoting disunity. Which of these forces will shape the next 50 years of the 21st century? Why unity or division will predominate?

Reviews

Write a Review

Physics Questions & Answers

  Find out the vertical and horizontal components

Two balls, of masses = 60 and = 70, are suspended. The lighter ball is pulled away to a 67 angle with the vertical and released. Suppose that the positive axis is directed to the right.

  A car travelling at a constant speed of 36 m/s

An object, at the top of a very tall building, is released from rest and falls freely due to gravity. Neglect air resistance and compute distance covered by the object between times t1 = 5.5 s and t2 = 7.9 s after it is released.

  The coefficient of static friction between your fingers

With two fingers, you hold an ice cream cone motionless upside down the mass of the cone is m, and the coefficient of static friction between your fingers and the cone is? When viewed from the side, the angle of the tip is 2?

  What are the charges on each of the balls

As a car approaching you driver lays on the horn. The horn has an actual frequency of 350Hz but you hear the horn as 390 Hz. What is the speed of the car.

  What are the tension and the angle of rope 3

A factory worker pushes horizontally to the right on a 250 N crate with a force of P = 75.0 N on a horizontal rough floor. A 135 N crate rests on top of the one being pushed and moves along with it. Call the bottom crate {rm A} and the top crate {..

  Find out the work completed by the electric field

A man pushes on a piano with mass 180 {rm kg} so that it slides at constant velocity down a ramp that is inclined at 20.0^circ above horizontal floor. Overlook any friction acting on the piano.

  Find the coefficient of friction between tires and road

What is the minimum coefficient of friction between tires and road that would allow cars to take the turn without sliding off the road.

  Find the retarding force

A swimming pool has dimensions 32 m 11 m and a flat bottom. When the pool is filled to a depth of 2.10m with fresh water, what is the force caused by the water on the end that is 11m.

  What is the boat''s speed

A woman rides a carnival Ferris wheel at radius 16.0 m, completing 4.40 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) lowest point.

  What force does the water exert on the falling pebble

At a distance rl from point charge the magnitude of the electric field created by charge is 248 N/C. After a distance r2 from the charge, field has a magnitude of 132N/C. Find ration r2/r1.

  Calculate the average velocity of the plane

The first controlled, sustained flight in a heavier-than-air craft was made by Orville Wright on December 17, 1903. The plane took off at the end of a rail that was 60 feet long, and landed 12 seconds later, 180 feet away from the beginning of the..

  What is the minimum time in which an elevator can travel

You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state building. Before the state legislature votes on funding for the project.

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