P PHY 1015 Tut-...2021 (2).pdf QX 9
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Serway Vuille...th solman. pdf
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1. As a fish jumps vertically out of the water, assume that only two significant
forces act on it: an upward force F exerted by the tail fin and the downward
force due to gravity. A record Chinook salmon has a length of 1.50 m and a
mass of 61.0 kg. If this fish is moving upward at 3.00 m/s as its head first
breaks the surface and has an upward speed of 6.00 m/s after two-thirds
its length has left the surface, assume constant accel- eration and determin
(a) the salmon's acceleration and (b) the magnitude of the force F during t
interval.​

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Arunner is jogging at a steady 3.6 km/hr. when the runner is 2.9 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (4 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. even though the bird is a dodo, we will assume that it occupies only one point in space, i. e., a zero-length bird. how far does the bird travel? (b) after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning? (i. e. include the distance traveled to the first encounter)

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell