# A ball is thrown horizontally from a table at a speed of 2ms^-1. The ball falls for 3 seconds.{Acceleration due to gravity, g= 10ms^-1 ?

## Determine: a) The horizontal component of the ball's velocity at time 3 seconds b) The vertical component of the ball's velocity at time 3 seconds

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Mar 8, 2018

a. $\text{2 m/s}$

b. $\text{30 m/s}$

#### Explanation:

a. Horizontal component of velocity will be $\text{2 m/s}$ because there is no acceleration in this direction

b. Along vertical

Initial velocity (u) = "0 m/s"

Velocity after 3 seconds $= v$

$v = u + a t$

$v = \text{0 m/s" + ("10 m/s"^2 × "3 s") = "30 m/s}$

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