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What is the angular speed of a car wheel of diameter 0.400m when the speed of the car is 108km/h?

A) 75 rad/s B) 150 rad/s C) 270 rad/s D) 540 rad/s Identify equation as w=v/r Diameter = 0.4m Radius = half the diameter = 0.2m Velocity needs to be in m/s so 108km/h = 108000m/h = 30m/s (divide by 60 twice)...
EW
Answered by Edward W. • Physics tutor
17075 Views

Explain the possible causes of deflation in an economy. (15)

Deflation is defined as the fall in the general price level of an economy. It is negative inflation. It is usually calculated using the consumer price index (CPI) which measures changes in the price level of...
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Answered by Edward W. • Economics tutor
17214 Views

To what extent was the rise of militant African American protests responsible for limiting the effectiveness of the civil rights movement in the 1960's

Intro should introduce the 'militant African American protests' properly to show examiner you know what they're referring to (black panthers). Then, briefly describe the relationship they had with the peacef...
CP
Answered by Chibueze P. • History tutor
3618 Views

What is the difference between the imperfect and the perfect tense? When are they supposed to be used?

Both tenses express an action that was done in the past. However, the imperfect is used to speak about a habit, something that is done often and regularly. The perfect tense is used to speak about a single a...
AC
Answered by Anna C. • French tutor
6509 Views

To what extent are different socialists committed to equality of outcome

Use the intro to briefly explain what 'equality of outcome' means (elimination of class system). Then mention the different kinds of socialists that exist (Marxist, democratic socialist, social democrats, ne...
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Answered by Chibueze P. • History tutor
13927 Views