pinkskies asked in Science & MathematicsPhysics · 12 months ago

A rectangular boat is 14 m wide and 11 m long.?

After a truck pulls onto the ferry, the boat ends up with a depth of 5 cm submerged under the water. If the weight of the ferry is 10,000 N, what is the maximum weight of the truck? (Assume the density of water is 1000 kg/m3.) Do not include the units in your answer or the computer will mark the problem wrong.

Pls help, I've tried so hard to understand but I kept getting the answer wrong

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• Whome
Lv 7
12 months ago

Volume of water displaced

V = 14(11)(0.05)

V = 7.7 m³

Weight of water displaced

W = 7.7 m³(1000 kg/m³)(9.8 N/kg)

W = 75460 N

Weight of truck will be the difference between weight of water displaced and the weight of the ferry

Wt = 75460 - 10000

Wt = 65460 N

round as appropriate,

• John P
Lv 7
12 months ago

I am extremely surprised to learn of a boat 14 m wide by 11 m long. That goes against all usual assumptions of boat design. Boats of that sort of size might be around 17 m long and 9 m wide, or 15 x 10. Nobody builds boat wider than they are long. Get your teacher to design questions which reflect the real world.