Momentum and energy, physics, Basic Statistics

Momentum and Energy
Statement 1: If there is a definite force there is a definite displacement, which means that work is done definitely by the force.
And
Statement 2: The work done is governed by three factors F, x and cos ? where ? is the angle between direction of force and displacement.
(A) Statement (1) is False and statement (2) is True.
(B) Statement (1) is True and statement (2) is False.
(C) Statement (1) is False and statement (2) is False.
(D) Statement (1) is True and statement (2) is True.
10. Statement 1: If a particle of mass m1 approaches another particle of mass m2 initially at rest with speed v, the speed of the centre of mass of system changes after collision
And
Statement 2: The speed of the centre of mass of the system will change only when same external force acts on the system and during collision only the two bodies interact.
(A) Statement (1) is False and statement (2) is True.
(B) Statement (1) is True and statement (2) is True.
(C) Statement (1) is False and statement (2) is False.
(D) Statement (1) is True and statement (2) is False.
Posted Date: 2/7/2012 10:43:35 PM | Location : United States







Related Discussions:- Momentum and energy, physics, Assignment Help, Ask Question on Momentum and energy, physics, Get Answer, Expert's Help, Momentum and energy, physics Discussions

Write discussion on Momentum and energy, physics
Your posts are moderated
Related Questions
how can write co variance using summation notation

1. (a) 'Statistics is the backbone of decision-making'. Describe.     (b) 'Statistics is as good as the user'. Describe. 2.  Differentiate between the following with example.

Consider the following pre-merger information concerning two firms, Mokhaba Manufacturers and Mabhida Merchants:  Data

I want to simulate observed variables for structural equation modeling. In real data it is assumed that observed variables are not error free variables, so should i also simulate e

how effect changes in prices to a financial statement?

One measure of the risk or volatility of an individual stock is the standard deviation of the total return (capital appreciation plus dividends) over several periods of time. Altho

In order to derive meaningful results from the statistical tables the researcher may use one or more of the followings four steps: a.The first step is to calculate relevant meas

A company prepares dinners for several airlines, and sales average 300,000 meals per month. The significant costs of each dinner prepared are for the meat, veg,plastic trays, and u

First of all, thank you very much for your help. I have a mixes data base, categorial variable, liclekt scale on 5 and 4, and continous variable, and several dummy. I would need h

Course of Study MBA 10% B.Tech 90% BBA 0% Diploma 0% Annual College Fee 25,000-30,000 0% 40,000-50,000 10% 85,000-90,000 90% 90,000 Above 0% Taken an Education Loan Yes 100