##a)T=420 . cos 29=367.34 N## ##b)## ##horizontal component of net force :98716 . sin 2 theta=83716 N## ##c)## ##vertical component of net force :98716 .cos 2 […]
##1.54bar(54) meters## ##Hz = cycles/second## ##wavelength## is measured as ##meters/cycle## ##color(white)(XXX)##or sometimes just ##meters## ##color(white)(XXX)## with the understanding that it means ##meters per cycle## ##(340 meters/cancel(second))/(220 […]
(a) ##19.4m## (b) ##134.4m## (a) Considering the vertical component ot the motion: ##v^2=u^2+2as## This becomes: ##v^2=u^2-2gh## ##:.0=(39sin30)^2-2xx9.8xxh## ##:.0=380-19.6xxh## ##h=280/19.6=19.4m## (b) The expression for range ##d## on […]
Let’s use the GRASS method to solve this problem. Given: Original length ##(L_o)## = 300.0 m Coefficient of Linear expansion of steel ##(alpha) = 11 times […]
speed of light in water ##v=225407863.2 ##meter/second Formula for refractive index ##n=c/v## where ## n= ##refractive index ## c=299792458 ##speed of light in a vacuum in […]