Question

In: Physics

How do I convert 29.35 W to J/sec? How do I convert 312 ft3s-1mi-2 to m3...

How do I convert 29.35 W to J/sec?

How do I convert 312 ft³s^-1mi^-2 to m³ min.^-1km^-2?

How do I convert from 2.2 km/hr to ft sec^-1 and mi² hr^-1?

How do I convert from 5.4 ft sec^-1 to cm sec^-1 and m hr^-1?

Expert Solution

a. 1W = 1J/s

so 29.35 W = 29.35 J/s

b. 1ft = .3028 m , 1s = 1/60 min , 1mil = 1.609 km

so 312 ft³s^-1mi^-2 = 312*.3028*1.609*1/60 m³ min.^-1km^-2

= 2.533 m³ min.^-1km^-2

c. 2.2 km/hr = 2.2 * 3280.84/(60*60)

= 2.005 ft/sec

2.2 km/hr = 2.2 *.621 mil/hr

= 1.366 mi/hr

d. 5.4 ft/sec = 5.4*30.48 cm/sec

= 164.592 cm/sec

5.4 ft/sec = 5.4*.3028/(1/3600)

= 5.4*.3048*3600 m/hr

=5925.312 m/hr

genius_generous answered 1 hour ago

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