A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane?
Sahay Sir > Question Answers > A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane?
A shell is fired from a gun from the bottom of a hill along its slope. The slope of the hill is alpha = 30 and the angle of the barrel to the horizontal beta = 60. The initial velocity v of the shell is 21 m/s
21
Sep
A shell is fired from a gun from the bottom of a hill along its slope. The slope of the hill is alpha = 30 and the angle of the barrel to the horizontal beta = 60. The initial velocity v of the shell is 21 m/s A staircase contains three steps each 10 cm [...]
A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane?
21
Sep
A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane? A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal [...]