Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

Find acceleration of the moving point.

A point moves along 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

Physics, Academics

  • Category:- Physics
  • Reference No.:- M917989

Have any Question? 


Related Questions in Physics

A 1500 kg car moving on a flat horizontal road negotiates a

A 1500 kg car moving on a flat, horizontal road negotiates a curve. If the radius of the curve is 35m and the coefficient of static friction between the tires and dry pavements is 0.523, find the maximum speed the car ca ...

A 349 rads 33rpm record has a 503-khz tone cut in the

A 3.49 rad/s (33rpm) record has a 5.03-kHz tone cut in the groove. If the groove is located 0.100 m from the center of the record (see drawing), what is the "wavelength" in the groove?

Wastewater containing solute a at a concentration of 10

Wastewater containing solute A at a concentration of 1:0 × 10 -3  g mol=m 3  enters an open tank at a volumetric flow rate of 0:2 m 3 /min, and exits at the same rate. Solute A transfers from the wastewater in the open t ...

Use a modified lempel-ziv algorithm in which as discussed

Use a modified Lempel-Ziv algorithm in which, as discussed on p.120, the dictionary of prefixes is pruned by writing new prefixes into the space occupied by prefixes that will not be needed again. Such prefixes can be id ...

Explain why the first tropical storm of the atlantic

Explain why the first tropical storm of the Atlantic hurricane season is more likely to form in the Gulf of Mexico than off the west coast of Africa.

At a time t seconds after it is thrown up in the air a

At a time t seconds after it is thrown up in the air, a tomato is at a height of f(t) = -4.9t 2 + 25t+ 3 meters. (a) What is the average velocity of the tomato during the first 2 seconds? Give units. (b) Find (exactly) t ...

Dependence on population size how do the results for a

Dependence on population size. How do the results for a sexual population depend on the population size? We anticipate that there is a minimum population size above which the theory of sex is accurate. How is that minimu ...

In a stripping process for the removal of tca from

In a stripping process for the removal of TCA from wastewater (very dilute, 50 mg TCA/L), air is bubbled into the water to transfer the TCA from the liquid phase to the gas phase. This process is carried out at 20°C and ...

Estimate how many binary low-density parity-check codes

Estimate how many binary low-density parity-check codes have self-orthogonal duals. [Note that we don't expect a huge number, since almost all low-density parity-check codes are ‘good', but a lowdensity parity-check code ...

While shopping for clothes a black woman is followed around

While shopping for clothes, a black woman is followed around the store by a white sales associate. Frustrated, she leaves the store and decides to go home. Her husband, on seeing her enter the house, asks: "What's for di ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen