document.write( "Question 1163044: 1. A cabinet is pulled across a cemented floor with a rope that makes an angle of 40degrees with the floor. What is the component of the force parallel to the floor if 80-N force is exerted?
\n" ); document.write( "2. What is the height in centimeters of a person who is 5 feet 7 inches tall?
\n" ); document.write( "3. The wind blows toward 40 degrees with a velocity of 50km/h. What is the vertical component of the wind’s velocity?
\n" ); document.write( "4. Ruth walks 5 km North, then 4 km South and finally 3 km East. Find her final displacement.
\n" ); document.write( "5. A car travels from rest and attains a speed of 60 m/s in 20 seconds. How far has the car traveled in 20 sec?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #786995 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "(2)  To solve problem (2), use the facts  1 foot = 12 inches; 1 inch = 2.54 cm.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "(5)  The distance \"how far\"  = ,  where \"a\" is the acceleration  a =  =  = 3 m/s^2.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     Thus  \"how far\" =  =  = 3*200 = 600 meters.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     Interesting, that this distance is the same as if you multiply the average speed of 30 m/s by the time 20 seconds\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "        \"how far\" =  = 30 m/s * 20 s = 600 meters.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    It is the same as  \"how far\" = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    Memorize these formulas and the method of solution (!)\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In the future, do not post more than 1 problem / question per post.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );