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How far was Stalin responsible for the start of the Cold War by 1949?

1- Analyse and evaluate arguments that would corroborate this statement:Stalin's desire for security and a 'buffer zone' in Eastern Europe, leading to his implementation of communi...

Answered by Joshua D. • History tutor

3270 Views

Evaluate policies that could be implemented to reduce the market failures arising from polluting industries.

1 - Definitions: Products of such industries are de-merit goods with negative externalities in production and as such MSC > MPC of production, so products are over produced under the free market...

Answered by Joshua D. • Economics tutor

1888 Views

What does the Blake Mouton Grid represent?

The Blake Mouton grid is a business model that is used to consider different management styles in relation to the level of concern taken for the employees versus the level of concern for production. The g...

Answered by Adam B. • Business Studies tutor

3199 Views

Use your own knowledge to compare and contrast the physical and chemical properties of Transition metals and group 2 elements. Use examples to explain your answer.

Answer: Students should be able to list the typical properties of transition metals Physicalhigh melting point / DensityFormation of coloured compoundsFormation of ions w...

Answered by Chris K. • Chemistry tutor

2495 Views

An electron is emitted from a cathode in an electron gun, with a potential difference of 150kV. Find the velocity of the electron after it is accelerated and find the De Broglie wavelength.

V=J/C1.602×10^-19 ×150×10^3=1/2×m×v^2
v=(2×1.602×10^-19×150×10^3/9.11×10^-31)^1/2v=2.29×10^8 m/sλ=h/pλ=6.63×10^-34/2.29×10^8 × 9.11×10^-31λ=3.17×10^-12

Answered by Adam C. • Physics tutor

1803 Views