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A mass, m, is resting on a slope being slowly tilted upwards from horizontal. The static friction co-efficient is 0.3 and the dynamic friction co-efficient is 0.2: at what angle will the mass begin to slip?

The static friction force holding the object on the slope is given by Fr where R = mg by Newton's second law of motion. We use a < sign as the static friction is a reaction force And the force drag...

AP
Answered by Amber P. Physics tutor
2374 Views

What is the "Cognitive Approach" in Psychology?

The cognitive approach predominantly focuses on thoughts as a means of understanding human behaviour. The key assumption being our actions are the result of our thoughts. The approach has been su...

JE
Answered by Jaya E. Psychology tutor
7246 Views

Outline the strengths and weaknesses of the multi store model of memory

The multi store model of memory is a linear model that shows how information flows through the processes of memory. The model is structured and focuses on unitary stores- this is a weakness as Baddeley an...

AW
Answered by Amy W. Psychology tutor
11387 Views

Solve for x and y, with x and y satisfying the equations x+4y=5 and 2x+2y=16.

x=9 y=-1

LS
Answered by Lucy S. Maths tutor
3463 Views

Solve the simultaneous equations for x and y: 2x+4y=-12 and y=-x-2

From the question we have y = -x - 2 so we can sub in -x-2 everywhere there is a y in the first equation.

The equation is then 2x+4(-x-2) = -12 expanding the brackets we get -2x-8=-12 which you can...

DG
Answered by Daniel G. Maths tutor
3542 Views

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