What is the speed of the river

Reference no: EM1318865

Q1. A boat which travels at 7.20 km/h relative to the water aims straight for the opposite bank of a 147m wide river. If it reaches the opposite side 154m downstream,

what is the speed of the river?

Q2. Find out the sum of these four vector forces: 12N to the right at 35.0° above the horizontal, 31.0 N to the left at 51.5° above the horizontal, 7.45N to the left at 35.0° below the horizontal, and 24N to the right at 48.0° below the horizontal.

Reference no: EM1318865

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