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From the 2016 OCR B paper A ball is thrown at an angle of 30 Degrees to the horizontal. The initial kinetic energy of the ball is K. Air resistance is negligible. What is the kinetic energy of the ball at the maximum height.

This is a common class of question concerning projectile motion and the independence of orthogonal forces.
First the student should sketch the problem an label the forces, In doing this they will see...

AR
Answered by Andrew R. Physics tutor
8640 Views

‘The foreign policy of Henry VIII failed to achieve its objectives in the years 1509 to 1547.’ Assess the validity of this view.

Introduction Arguments that support the premise of the failure Henry lacked the finance for a strong foreign policy domestic policy and the action against Catherine of Aragon limited relations with Spain ...

IP
Answered by Isabella P. History tutor
9073 Views

How does the photoelectric effect actually show that light is made up of particles?

The photoelectric effect is the observation that when light of a certain frequency or higher is shone onto a particular metal surface, electrons are emitted from the metals surface. Let's consider a devic...

RM
Answered by Robert M. Physics tutor
4252 Views

'From 1894 to 1914 the authority of the Tsardom remained essentially unchanged.'

It is without a shadow of doubt that the authority of the Tsardom did not remain “essentially unchanged”. Whilst throughout the regime of Alexander III Tsarist authority remained relatively strong, it is ...

OK
Answered by Oliver K. History tutor
5653 Views

How do phospholipids form membranes?

Phospholipids are a major component of cell membranes. They are ideal components of membranes due to their structure. They consist of a glycerol and phosphate 'head' attached to t...

LE
Answered by Lauren E. Biology tutor
16062 Views

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