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A ball is initially at rest and is dropped from a height of 10m. Calculate the velocity of the ball when it reaches the ground

For this we need to use a SUVAT equation. S=displacement U=initial velocity V=final velocity A=acceleration T=time In the question we are give U=0m/s since the ball is at rest to start with Since the ball...

CG
Answered by Catherine G. Physics tutor
10774 Views

Factorise x^2 + 2x - 3

This is in the form Ax^2+Bx +C where A=1 B=2 and C=-3 We need to find two numbers (let's call them p and q) which multiply to equal C and add to equal B. Since C is negative we need a positive number and ...

CG
Answered by Catherine G. Maths tutor
6810 Views

What is the correct order of the reflex arc?

Students must select 1 of the following:

a) Motor - Sensory - Relay b) Effector - Relay - Motor c) Sensory - Relay - Motor d) Relay - Motor - Sensory

The correct answer is C.

When a s...

BS
Answered by Beth S. Biology tutor
14752 Views

I know how to integrate, but I still never see any real world example of it, so it is difficult to understand. Why is it useful?

(In tandem with the whiteboard) Integration is a way of working out the total of something. An example of this is if you see a graph of velocity and time, the area under the graph is the total distance tr...

CM
Answered by Cain M. Maths tutor
3154 Views

Solve the following equation. (x)^2-8x+15=0

Factors of 15 that add together to make -8: -3 and -5 Factorise: (x-3)(x-5)=0 Solve: x=3 x=5

AC
Answered by Amelia C. Maths tutor
3551 Views

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