9702_w14_qp_21.pdf | Mass

Please download to get full document.

View again

of 16
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Information Report
Category:

Documents

Published:

Views: 217 | Pages: 16

Extension: PDF | Download: 0

Share
Related documents
Description
Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level * 9 4 3 0 5 6 8 8 8 1 * PHYSICS 9702/21 Paper 2 AS Structured Questions October/November 2014
Transcript
  This document consists of 15  printed pages and 1  blank page. DC (NF/CGW) 77818/2 © UCLES 2014 [Turn over Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level * 94 3 0 5 6 8 8 81* PHYSICS   9702/21 Paper 2 AS Structured Questions October/November 2014   1 hour Candidates answer on the Question Paper.No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in.Write in dark blue or black pen.You may use an HB pencil for any diagrams or graphs.Do not use staples, paper clips, glue or correction fluid.DO NOT  WRITE IN ANY BARCODES.Answer all  questions.Electronic calculators may be used.You may lose marks if you do not show your working or if you do not use appropriate units.At the end of the examination, fasten all your work securely together.The number of marks is given in brackets [ ] at the end of each question or part question.  2 9702/21/O/N/14 © UCLES 2014 Data speed of light in free space, c = 3.00 × 10 8  ms –1 permeability of free space, μ  0   = 4 π  × 10 –7  Hm –1 permittivity of free space, ε  0   = 8.85 × 10 –12  Fm –1  (14 π ε  0  = 8.99 × 10 9  m F –1 )elementary charge, e = 1.60 × 10 –19  Cthe Planck constant, h = 6.63 × 10 –34  Jsunified atomic mass constant, u = 1.66 × 10 –27  kgrest mass of electron, m  e   = 9.11 × 10 –31  kgrest mass of proton, m  p   = 1.67 × 10 –27  kgmolar gas constant, R = 8.31 JK –1 mol –1 the Avogadro constant, N  A   = 6.02 × 10 23 mol –1 the Boltzmann constant, k = 1.38 × 10 –23 J K –1 gravitational constant, G = 6.67 × 10 –11  Nm 2 kg –2 acceleration of free fall, g = 9.81 ms –2  3 9702/21/O/N/14 © UCLES 2014 [Turn overFormulae uniformly accelerated motion, s   = ut + 12 at  2   v  2  = u  2  + 2 as  work done on/by a gas, W   = p   V  gravitational potential, φ   = – Gm r  hydrostatic pressure, p   = ρ  gh  pressure of an ideal gas, p   = 13   Nm V  < c 2 >simple harmonic motion, a   = – ω    2 x  velocity of particle in s.h.m., v   = v  0  cos ω  t    v   = ± ω    ( x  02  – x 2 )electric potential, V   = Q  4 π ε  0 r  capacitors in series, 1/  C   = 1/  C  1  + 1/  C  2  + . . .capacitors in parallel, C   = C  1  + C  2  + . . .energy of charged capacitor, W   = 12   QV  resistors in series, R   = R  1  + R  2  + . . .resistors in parallel, 1/  R   = 1/  R  1  + 1/  R  2  + . . .alternating current/voltage, x   = x  0  sin ω  t  radioactive decay, x   = x  0  exp(– λ  t  )decay constant, λ   = 0.693 t  12  4 9702/21/O/N/14 © UCLES 2014  Answer all the questions in the spaces provided. 1 (a) Mass, length and time are S І  base quantities.   State two other base quantities.1. ..............................................................................................................................................2. .............................................................................................................................................. [2]  (b) A mass m   is placed on the end of a spring that is hanging vertically, as shown in Fig. 1.1.springmass m  Fig. 1.1  The mass is made to oscillate vertically. The time period of the oscillations of the mass is T  .   The period T is given by T   = C m k    where C is a constant and k   is the spring constant.   Show that C has no units. [3]
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks