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Physics Past Questions

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3706

A particle of mass M initially at rest splits into two. If one of the particles of mass M1 moves with velocity V1 , the second particle moves with velocity

  • A. \(\frac{M1V1}{M-M1}\)
  • B. \(\frac{M1V1}{M1-M}\)
  • C. \(\frac{M1V1}{M}\)
  • D. \(\frac{MV}{M-M1}\)
View Answer & Discuss (12) JAMB 2018
3707

To keep a vehicle moving at a constant speed V requires power P from the engine. The force provided by the engine is

  • A. \(\frac{P}{v}\)
  • B. (\(\frac{1}{2}\))V
  • C. PV
  • D. \(\frac{P}{V^2}\)
View Answer & Discuss (1) JAMB 2018
3708

Which of the following is the dimension of pressure

  • A. ML\(^{−1}\)T\(^{−2}\)
  • B. MLT\(^{−2}\)
  • C. ML\(^{2}\)T\(^{3}\)
  • D. ML\(^{−3}\)
View Answer & Discuss (1) JAMB 2018
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3709

Palm oil from a bottle flows out more easily after it has been heated because the

  • A. Molecules do not increase speed during the heating
  • B. Viscosity of oil is reduced
  • C. Oil molecules force each other out
  • D. Adhesion between the oil molecules and those of the bottle is increased
View Answer & Discuss (2) JAMB 2018
3710

A ball of mass 5.0kg hits a smooth vertical wall normally with a speed of 2ms\(^{-1}\). Determine the magnitude of the resulting impulse

  • A. 20.0kgms\(^{-1}\)
  • B. 10.0kgms\(^{-1}\)
  • C. 5.0kgms\(^{-1}\)
  • D. 2.5kgms\(^{-1}\)
View Answer & Discuss (15) JAMB 2018
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