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6 balls marked as 1,2,3,4,5 and 6 are kept in a box. Two players A and B start to take out 1 ball at a time from the box one after another without replacing the ball till the game is over. The number marked on the ball is added each time to the previous sum to get the sum of numbers marked on the balls taken out. If this sum is even, then 1 point is given to the players. the first player to get 2 points is declared winner. at the start of the game, the sum is 0. if A starts to take out the ball, find the number of ways in which the game can be won.

Basketball players John, Vasim, Akash were practising the ball drop in the basket. The probabilities of success for John, Vasim and Akash are (4)/(5) ,0.83 and 58% respectively. Who had the greatest probability of success?

There is a certain relationship between two given words on one side of : : while another word is to be found from the given alternatives, having the same relation with this word as the words of the given pair bear. Choose the correct alternative Cricket :Bat : : Hockey : ? 1)Field 2)Stick 3)Player 4)Ball 5) None of these

Baseball player A strikes the ball by hitting it in such a way that it acquires an initial velocity of 1.9 m/s parallel to the ground. Upon contact with the bat the ball is 1.2 m above the ground. Player B wishes to duplicate this strike, in so far as he also wants to give the ball a velocity parallel to the ground and have his ball travel the same horizontal distance as player A's ball does. However, player B hits the ball when it is 1.5 m above the ground. What is the magnitude of the initial velocity that player B's ball must be given?

A rugby player runs with the ball directly toward his opponent's goal, along the positive direction of an x axis. He can legally pass the ball to a teammate as long as the ball's velocity relative to the field does not have a positive x component. Suppose the player runs at speed 3.5 m/s relative to the field while he passes the ball with velocity vecv_(BP) relative to himself. If vecv_(BP) has magnitude 6.0m/s, what is the smallest angle it can have for the pass to be legal?

A player stops a football weighing 0.5 kg which comes flying towards him with a velocity of 10m//s . If the impact lasts for 1//50 th sec. and the ball bounces back with a velocity of 15 m//s , then the average force involved is

(i) A block is connected to an ideal spring on a horizontal frictionless surface. The block is pulled a short distance and released. Plot the variation of kinetic energy of the block vs the spring potential energy. (ii) A ball of mass 200 g is projected from the top of a building 20 m high. The projection speed is 10 m/s at an angle theta=sin^(-1)(3/5) from the horizontal. Sketch a graph of kinetic energy of the ball against height measured from the ground. Indicate the values of kinetic energy at the top and bottom of the building and at the highest point of the trajectory, specifying the heights on the graph. Neglect air resistance and take g = 10 m//s^(2)

A player catches a ball of 200 gm moving with a speed of 20 m/s. if the time taken to complete the cathc is 0.5s, the force exerted on the player, hand is :-

The average heigh tof the basket ball team A is 5ft 11inches and that ofB is 6ft 2inches . Thereare 20 players in team A and 18 players in team B.The overall average height is