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Popular Word Problems >

Sound travels through the air at 330 m/s and light travels at 300000km/s. calculate how far away a lightning flash occurred if the sound was hear 6.4 seconds after the lightning was seen.

Solution

S o u n d t r a v e l s t h ro ug h t h e ai r a t 330 m / s an d l i g h t t r a v e l s a t 300000 km / s . c a l c u l a t e h o w f a r a w a y a l i g h t nin g f l a s h occ u rre d i f t h e so u n d w a s h e a r 6.4 seco n d s a f t er t h e l i g h t nin g w a s see n .

Solution

distance : 2112

Solution steps

Translate the problem into an equation:

x = 330 \cdot 6.4

Solve for

x, x = 330 \cdot 6.4 : x = 2112

distance : 2112

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