Hovercraft Speed

Hovercraft Speed

HOVERSPEED Hovercraft High Speed Ferry www.GlobeMaster.de

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Blue Hat RC Hovercraft $56.51 The Blue Hat RC Micro Hovercraft races over any smooth surface for maximum high-speed racing entertainment. This cutting-edge race craft features independent spring suspension and recharges quickly for better RC fun.RC Micro Hovercraft glides on any smooth surface for fun at the home or officeFull-function wireless hovercraft runs on infrared powered for no-mess indoor useInflation ring glides Hovercraft smoothly on a cushion of airHovercraft quickly recharges via docking port on IR remote controlIndependent spring suspension and includes real working headlightsRequires four (4) AA batteries (not included)Recommended for ages 8 and upDimensions: 4.5 inches long x 3 inches wide x 1 inch deep

Can u pls help me 4 mechanics1?

A hovercraft of mass 400tonnes is moving across smooth water against neglible resistances. if the power used to propel it forward is constant at 1200kW,

hi

power=work/time.

change in kinetic energy is work done according to work energy theorem.

therefore the change in kinetic energy of the particle here is 48000*10^3.
power is given as 1200*10^3 watts .therefore time taken is work/power

or 48000*10^3/1200*10^3

40 secs

(there may be some calculation mistakes but logic is correct)

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