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Forces, movement, shape and momentum

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Question 30

An autonomous aquatic research drone is monitoring water quality in a large lake. The drone is powered by solar deck panels and propelled by an electric micro-thruster.

a.

The total area of the drone's solar deck panels is 18.5 m218.5\text{ m}^218.5 m2. Under clear skies, each 1.0 m21.0\text{ m}^21.0 m2 of these panels generates 0.240 kW0.240\text{ kW}0.240 kW of electrical power. Calculate the total electrical power generated by these solar panels.

[2]
b.

The drone's micro-thruster produces a constant horizontal thrust force of 125 mN125\text{ mN}125 mN. Calculate the change in momentum of the drone when the thruster runs continuously for 48 minutes48\text{ minutes}48 minutes.

[3]

Forces, movement, shape and momentum Questions

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