A truck driver ends up in front of a tunnel Tunnel height =15 feet Truck height =15 feet +1 inch
What is the most economic solution possible to make the truck pass through the tunnel safely
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A spacecraft is in a circular orbit around the planet Mars at a height of 140 km.
A small part of the spacecraft falls off and eventually lands on the surface of the Mars.
The small part has a mass of 1.8 kg.
During its fall, the small part loses 0.932 MJ of gravitational potential energy.
Calculate the gravitational field strength of Mars.
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