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Solution to Test Paper 2

From Mechanics

Revision as of 14:13, 19 January 2011 by Ian (Talk | contribs)
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Solutions
1 (a) 44 .1=219  8t2t=4.944.1=3 sORs=219.832=44.1AGHits ground after 3 seconds M1

A1

A1


(M1)

(A1)

(A1)


(3 marks) M1: Use of constant acceleration

equation with v=0

A1: Correct equation

A1: Correct s


1 (b) v2=02+29.844.1v=864.36=29 .4 ms−1ORv=0+9.83v=29.4 ms−1M1

A1

A1


(3 marks)


M1: Use of constant acceleration equation with v=0

A1: Correct equation.

A1: Correct v.


1 (c) Air resistance would slow the ball down. B1 (1 mark) B1: Sensible statement about air resistance.
1 2 3 4 5
2 (a) 2 3 4 5
2 (b) 2 3 4 5
2 (c) 2 3 4 5
2 (d) 2 3 4 5
1 2 3 5
3 (a) 2 3 4 5
3 (b) 2 3 4 5
3 (c) 2 3 4 5
1 2 3 4 5
4 (a) 2 3 4 5
4 (b) 2 3 4 5
4 (c) 2 3 4 5
1 2 3 4 5
5 (a) 2 3 4 5
5 (b) 2 3 4 5
5 (c) 2 3 4 5


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