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2) A boat traveling west encounters a current moving 8m/s south. The boat travels 56m downstream while crossing the 100m wide river. a) How much time does it take to travel shore to shore? b)...

The graph is a straight line graph with a negative correlation ranging from 1.82 to -4.61. at the -4.61 it levels and stays at -4.61. The x axis ranges from 0 to 300. I need this to get the gradient,...

Why would the rear-end collision demonstrated in the Investigate be more dangerous for someone driving a motorcycle than driving an automobile?   Explain

Explain in which type of collision headrests serve the greater benefit: during a head-on collision or a rear-end collision?

What is the energy of a physical body which mass is m=3 kg, and is placed in the highest point of a inclined plane, which length is l=12m and its height is h=4m?

A man pushes a motorboat away from its dock. Which of the following is true?   a. the boat will move in the direction of the force regardless of the magnitude of the force b. the...

A 1 kg lump of clay moving through space at 2 m/s collides with a second 1 kg lump of clay at rest. if the lump sticks together what portion of the original kinetic energy is lost to internal energy...

A cyclist with a total skin area of 1.5m2 is riding a bike on a day when the air temperature is 20 degrees celsius and her skin temperature is 34 degrees celsius. The cyclist does work at about 100...

Suppose a lake has a layer of ice 12 cm thick on its surface. The top of the ice layer is cooled by the atmosphere to -5.45° C. The lower surface is in contact with water at 0.0° C. The thermal conductivity...

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