NEET Physics: Questions 883 - 886 of 2099
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Question number: 883
A rifle man, who together with his rifle has a mass of 100 kg, stands on a smooth surface fires 10 shots horizontally. Each bullet has a mass 10 gm and a muzzle velocity of 800 m/s. What velocity does rifle man acquire at the end of 10 shots?
Question number: 884
Choose the correct statements -
(1) For equilibrium of a body under the action of concurrent forces
(2) If the downward acceleration of the lift is a = g, then the body will experience weightlessness.
(3) If the downward acceleration of the body is a > g, then the body will rise up to the ceiling of lift
(4) If the downward acceleration of the lift is a > g, then the body will experience weightlessness.
Select the correct answers and mark it according to the following codes:
1 and 2 are correct
1, 2 and 3 are correct
2 and 4 are correct
1 and 3 are correct