a body is thrown at an angle 30 degree to the horizontal with the velocity of 30 metre per second after 1 second its velocity will be in metre per second is equal to 10 metre per second square
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30*( √3/2 ) m/s = 15√3 m/s . This velocity remains UNCHANGED throughout the motion as there is no force ( and hence acceleration ) along the horizontal to change this velocity. Answer of question 2 : Check the value of (30*sin30°)/10 = 1.5 s , which is greater than 1 s
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