A player throws a ball upwards with an initial speed of `30 m s^(-1)`. How long does the ball take to return to the player's hands? ( Take g = 10 `m s^(-2)`)

A girl standing on a stationary lift (open from above) throws a ball upwards with initial speed 50 m s^(-1) . The time taken by the ball to return to her hands is (Take g = 10 m s^(-2) )

A boy standing on a stationary lift (open from above) throws a ball upwards with the maximum initial speed he can , equal to 49" ms"^(–1) , how long does the ball take to return to his hands.?

A boy standing on a stationary lift ( open from above ) thrown a ball upwards with the maximum initial speed he can, equal to 49 ms^(-1) . How much time does the ball take to return to his hands ? If the lift starts moving up with a uniform speed of 5 ms^(-1) and the boy again throws the ball up with the maximum speed he can , how hoes the ball take to return to his hands ?

A player throwsa a ball upwards with an initial speed of 29.4 ms^(-1) . (i) What is the direction of acceleration during the upwared motion of the ball? (ii) What are the velocity and acceleration of the ball at the highest point of its motion? (iii) Choose the x=0 and t=0 to be the location and time of the ball at its highest point, vertically downward direction to be the positive direction of X-axis, and give the signs of positive, velocity and acceleration of the ball during its upward, and downward motion. (iv) To what height does the ball rise and after how long does the ball return to the player's hand?( Take g =9.8 ms^(-2) , and neglect air resistance).

A player throws a ball upwards with an initail speed of 129.4 ms^(-1) (a) What is the direction of acceleration during the upward motion of the ball ? (b) What are the velocity and accleration of the ball at the ighest point os its motion. ( c) Choose the =x 0 aand t= 0 be the loction and time at its highest point, vertically downward direction to be the positve direction of X-axis and give the signe of position, velocity and accelration of the ball during its upward, and downward motion. (d) To what hight does the ball rise and after how long does the ball returns to the plausr s hands. (Take g= 9.8 ms^(-23) and begleact air resistance)

A player throws a ball upwards with an initial speed of 29.4 ms^(-1). What are the velcity and acceleration of the hall at the highest point os its motion ?

A bowler throws a cricket ball at a speed of 120 km/h. How long does this ball take to travel a distance of 20 metres to reach the batsman?

In Fig. 2-13 , a pitcher tosses a baseball up along a y axis, with an initial speed of 12 m/s. (a) How long does the ball take to reach its maximum height ?

A ball thrown vertically upwards with an initial velocity of 1.4 m/s returns in 2s. The total dispalcement of the ball is

A platform is moving upwards with a constant acceleration of 2 m s^-2 . At time t = 0 , a boy standing on the platform throws a ball upwards with a relative speed of 8 m s^-1 . At this instant, platform was at the height of 4 m from the ground and was moving with a speed of 2 m s^-1 . Take g = 0 m s^-2 . Find (a) when and where the ball strikes the platform. (b) the maximum height attained by the ball from the ground. ( c) the maximum distance of the ball from the platform.