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An object of mass 2kg is placed on a smooth plane which is inclined at an angle of 30 degrees from the ground. Calculate the acceleration of the object.

Draw a free body force diagram of all the forces acting on the object.

Resolve the forces parallel and perpendicular to the plane.

Use the equation ΣF=ma to solve the accele...

DJ
Answered by Dillon J. Maths tutor
3559 Views

Integral of sin^2(x) with respect to x

It is impossible to dirctly integrate sin^2(x) so we must transform it into something that can be integrated. Trigonometry can be used to do this. Recall the identity cos(2x) = cos^2(x) - sin^2(x) and cos...

OF
Answered by Orlando F. Maths tutor
13828 Views

To what extent did US presidents hinder African American civil rights from 1865 to 1992?

Huge change occurred in regards to African American civil rights at the hands of US presidents from 1865 to 1992. These can be catagorised into social, political and economic spheres. Where one president ...

SM
Answered by Sky M. History tutor
9596 Views

How does vaccination work?

Vaccines contain weakened (or attenuated) antigens which cause immunity to a disease without actually giving the person the disease. They are usually adminstered by injection or sometimes orally (by mouth...

LG
Answered by Lizzy G. Biology tutor
7229 Views

How are action potentials propagated across cholinergic synapses?

In order for action potentials to travel to their intended destination they must cross synapses. These synapses are the spaces between neurones' axon terminals 

HS
Answered by Harry S. Biology tutor
3180 Views

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