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Jamb Physics Past QuestionsJamb Past Questions and Answers on ProjectilesQuestion 1:If the time of flight is 96seconds, calculate the horizontal range through the point of projection. A. 84400m B. 69000m C. 61440m D. 24000m Question 2:An air force jet flying with a speed of 335ms-1 went past an anti-aircraft gun. How far is the aircraft 5s later when the gun was fired? A. 838m B. 3350m C. 670m D. 1675m E. 67m Question 3:A rocket burns 0.01kg of fuel each second and ejects it as a gas with a velocity of 5,000m/s. What force does the gas exert on the rocket? A. 500,000N B. 500N C. 50N D. 5,000N E. 50,000N Question 4:A gun of mass 2.0kg fires a bullet of mass 16 x 10 -2kg due East. If the bullet leaves the nozzle of the gun with a velocity of 150ms-1, what is the recoil velocity of the gun? A. 150ms-1 due West B. 1.2 x 10-4ms-1 due West C. 1.2ms-1 due West D. 1.2ms-1 due East E. 150ms-1 due East Question 5:A ball is thrown vertically into the air with an initial velocity u. What is the greatest height reached? A. U2g B. \(\frac{3u^2}{2g}\) C. \(\frac{u^2}{g}\) D. \(\frac{u^2}{2g}\) |
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