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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
9052 Views

In terms of electron transfer describe what happens when one atom of calcium reacts with two atoms of chlorine and give the ions that are formed.

When these atoms react together Calcium chloride, CaCl2, is formed. Calcium atoms have two electrons in their outer shell, which can be determined from the fact they are in group 2 of the perio...

LM
Answered by Lauren M. Chemistry tutor
13851 Views

What are the differences between shareholder and stakeholder?

Shareholders are individuals (or groups of individuals, companies, institutions, etc.), who own a part of a business through the ownership of its shares. A stakeholder is an individual (or a group), that ...

AS
3678 Views

How do I form the perfect tense in French?

The perfect tense is used in French to described completed actions in the past, such as 'I ate an apple' or 'I have done my homework' .e.g. Je mange une pomme = I eat an apple (present tense) // J'ai mang...

HV
Answered by Hannah V. French tutor
2943 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
9454 Views

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