WebDec 13, 2024 · Q: For a man who walks 720 m at a uniform speed of 2 m/s, then at a uniform speed of 4 m/s for 5 minute and then again in walks at a speed of 1 m/s for 3 minutes. His average speed is Sol. Where s 1 =720 m and t 1 = s 1 /v 1 = 720/2 = 360 s s 2 = 4× ( 5 × 60) = 1200 m , t 2 = 300 s s 3 = 1× ( 3 × 60) = 180 m , t 3 = 180 s WebA man fires 10 bullets, each of mass 20 × 10-3 Kg in every second with a gun of mass 10 Kg. If the velocity of each bullet is 300 ms-1, what force must be applied by the man to the gun to hold it in position? If the number of bullets fired per second doubles what will be a …
For a man who walks 720 m at a uniform speed of 2 m/s, then at …
WebFrom an automatic gun a man fires 360 bullet per minute with a speed of 360 . km/hour. If each weighs 20 . g, the power of the gun is . Q 1. Which one of the following is not a conservative force [a] Gravitational force [b] Electrostatic force between two charges [c] elastic spring force ... WebJan 24, 2024 · From an automatic gun a man fires 360 bullets per minute with a speed of 360 km/hour. Of each weighs 20g, the power of the gun is Advertisement Answer 10 people found it helpful EkVillian hlo mate ️ Power of a body is defined as the rate at which the body can do the work. Power =Wt, where work done W=F×d=m×a×d champva insurance bin
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WebAug 2, 2024 · From an automatic gun a man fires 360 bullet per minute with a speed of 360 km/hour. If each weighs 20 g, the power of the gun is by author Q: From an automatic gun a man fires 360 bullet per minute with a speed of 360 km/hour. If each weighs 20 g, the power of the gun is (a) 600 W (b) 300 W (c) 150 W (d) 75 W Ans: (a) WebGet an expert solution to From an automatic gun a man fires 360 bullet per minute with a speed of 360 km/hour. If each weighs 20 g, the power (in W) of the gun is WebTwo riffles fire the same number of bullets in a given interval of time. The second fires bullets of mass twice that fired by the first and with a velocity that is half that of the first. The ratio of their powers is? A 1:4 B 4:1 C 1:2 D 2:1 Hard Open in App Solution Verified by Toppr Correct option is D 2:1 Was this answer helpful? 0 0 harbic law ottawa