Texas Instruments TI-36X M 1ç 2è g, 3 I 5 PV, The height of the building is 60 meters or 197 feet

³ Problem

A brick falls off the roof of a building and hits the sidewalk 3.5 seconds later. Find the height of the building in meters and then in feet, rounded off to the nearest whole number.

The formula for distance fallen is y= L 12 gt 2

where t= time in seconds, and g=gravitational acceleration (9.80665 meters per second-squared). We measure the y coordinate from the position where the brick began its fall, and we specify that y is positive upwards.

J1 12 <	L1ç2è ,-/
%]"	c g h NA RÞ
	9.80665,-/
VV	M1ç2èg		ß
	L4.903325,-/
<3 I5 PV	Ansè3.52		ß
	L60.06573125,-/
%t0	Ansè3.52		ß
	.1:	,-/L60.
."VV	Ans mÞft		ß
	.1:	,-L/197

The height of the building is 60 meters or 197 feet.

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Ti36eng1.doc TI-36X II Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 29 of 48