A lifeguard wants to swim out to an anchored bouy 8.04 m from the shoreline. The lifeguard can swim at a speed of 4.36 m/s, and there is also a cross current running parallel to the beach, with the water moving at a speed of 1.00 m/s. If the lifeguard heads directly straight out from shore toward the bouy, how far to the side of it will the lifeguard end up when he gets out there?
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A lifeguard wants to swim out to an anchored bouy 8.04 m from the shoreline. The...
2. A swimmer wants to swim across a river that runs east to west with a current of 0.5 m s-1 and is 30 m wide. He plans to swim from the south bank of the river to the north bank and can swim at a steady speed of 2 m s current (a) If he wants to arrive on the north bank directly north of his starting point (the point directly on the opposite side of the river), at...
2. A swimmer wants to swim across a river that rus east to west with a current of 0.5 m s1 and is 30 m wide. He plans to swim from the south bank of the river to the north bank and can swim at a steady speed of 2 m s-1, current (a) If he wants to arrive on the north bank directly north of his starting point (the point directly on the opposite side of the river), what...
A swimmer, capable of swimming at a speed of 1.02 m/s in still water (i.e., the swimmer can swim with a speed of 1.02 m/s relative to the water), starts to swim directly across a 2.96-km-wide river. However, the current is 0.550 m/s, and it carries the swimmer downstream. (a) How long does it take the swimmer to cross the river? (b) How far downstream will the swimmer be upon reaching the other side of the river?
A swimmer, capable of swimming at a speed of 1.60 m/s in still water (i.e., the swimmer can swim with a speed of 1.60 m/s relative to the water), starts to swim directly across a 2.67-km-wide river. However, the current is 1.40 m/s, and it carries the swimmer downstream. (a) How long does it take the swimmer to cross the river? (b) How far downstream will the swimmer be upon reaching the other side of the river? (Write on paper)
A swimmer, capable of swimming at a speed of 1.5 m/s in still water (i.e., the swimmer can swim with a speed of 1.5 m/s relative to the water), starts to swim directly across a 3.0-km-wide river. However, the current is 0.91 m/s, and it carries the swimmer downstream. (a) How long does it take the swimmer to cross the river? Incorrect: Your answer is incorrect. s (b) How far downstream will the swimmer be upon reaching the other side...
A swimmer wants to cross a river, from point A to point B, as shown in the figure. The distance d1 (from A to C) is 200 m, the distance d2 (from C to B) is 180 m, and the speed of the current in the river is 1.0 m/s. Suppose that the swimmer's velocity relative to the water makes an angle of 45 degrees with the line from A to C, as indicated in the figure. To swim directly...
1) . A passenger on a moving train walks at a speed of 1.90 m/s due north relative to the train. The passenger's speed with respect to the ground is 4.5 m/s at an angle of 31.0° west of north. What are the magnitude and direction of the velocity of the train relative to the ground? 2) A ship sets sail from Rotterdam, The Netherlands, heading due north at 8.00 m/s relative to the water. The local ocean current is...
2. A water balloon is thrown upward from a window 25 m above the ground and hits the ground 2.95 s later. What's the maximum height above the window that the balloon reaches? a) 3.77 m b) 2.59 m c) 2.21 m d ) 1.82 m e) 1.17 m 400 m 3. A student who can swim with a speed of 2.5 m/s in still water wants to get to the other side of a 400 m wide river whose...
Hi! I’m wondering if anyone can help with these physics problems from my exam krackers book? I am studying for the mcat and the explanations in the book and student doctor are not helping me. Thanks so much!! A. 2A B. 3 A C. 6A D. 12 A after the circuit has been on a long time? 12 V 2Ω 2Ω A. 1.2 x 10s C B. 2.5 x 106 C C. 6.0 x 10 C D. 1.7×10-7 C ERhal...
1. Figure G: The ideal battery has an emf of 14 V. What is the current (A) in R a) 0.200 D0.250 b) 1.00 g) 0.100 c)0.500 h)0.235 2. Figure C shows, in cross section, a spherical conducting shell that surrounds a particle of charge -2e. The shell d) 0.667 i) 1.23 e) 0.750 has a net charge of -6e. What is the magnitude (N/C) of the electric field at point P, at distance2.00 m from the j)0.820 center of...