Draw vector diagrams for moving upstream and downstream.b. What is the current speed in the river?What is the speed of the boat?C.3. A boat crosses a river with a speed of 3 m/s. If the current in the river is 4 m/s, what is the actual speed of the boat?What angle does the boat make with the bank?4. A ball is dropped from rest at a height of 80 m above the ground.a. What is Its speed just as it hits the ground?b. How long does it take for it to reach the ground?5. A marble dropped from a bridge strikes the water in 6.0 s. Calculate:a. the speed with which it strikes the waterb. the height of the bridge6. A student throws his worthless lab partner off a 120 m high bridge with an initial downward speed of 10 m/sHow long does it take the deadbeat to hit the ground below?b. How fast is he going at the moment of impact?a.7. Given the following situation of a marble in motion on a rail with no friction:v = 10. m/5

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Description: Draw vector diagrams for moving upstream and downstream.b. What is the current speed in the river?What is the speed of the boat?C.3. A boat crosses a river with a speed of 3 m/s. If the current in the river is 4 m/s, what is the actual speed of the

Given:- 3 The boat crosses a river with a speed u = 3 m/s The speed of the river is v = 4 m/s…

Answered: A boat crosses a river with a speed of…

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A boat crosses a river with a speed of 3 m/s. If the current in the river is 4 m/s, what is the actual speed of the boat? What angle does the boat make with the bank?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: Motion In Two Dimensions

Section: Chapter Questions

Problem 25P

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