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Q2 - Slate and coin A slate falls from the roof of a house. A coin is thrown vertically upwards It passes the top of a window with speed 6 ms , after 0.9 seconds. from a height of 1.3 m It passes the bottom of the window above the ground. after a further 0.2 seconds. Find the speed of the slate Find the greatest height at the top of the window. reached by the coin. initial speed = ms 1 [2] greatest height = m [2] Calculate the time taken for How tall is the window? the coin to reach the ground. maximum height = m [2] time taken = S [2] Use g = 9.8 ms-2 Give your answers correct to 1 dp where necessary.21 - Ball and stone A tennis ball is thrown vertically upwards and reaches a maximum height of 3.3 m above its start position. Find the initial speed of the ball. initial speed = ms [2] A stone is fired vertically upwards from a catapult at 10.1 ms'l. The catapult is 2.3 m above the ground. Calculate the maximum height reached by the stone. maximum height = m [3] Use g = 9.8 ms'2 Give your answers correct to 1 dp