irections: Write your answers on the space provided and show complete solution for roblems. 1. A man can swim with a speed of 3 km/h in still water. He swims in a river th km/h. use this information for the following situations: A. Situation 1: the man swims in the same direction as the river current. i. How fast is he swimming relative to the river bank? How much time does it take him to swim 2 km?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Directions: Write your answers on the space provided and show complete solution for the solving
problems.
1. A man can swim with a speed of 3 km/h in still water. He swims in a river that flows steadily at 2
km/h. use this information for the following situations:
A. Situation 1: the man swims in the same direction as the river current.
i.
How fast is he swimming relative to the river bank?
ii.
How much time does it take him to swim 2 km?
Transcribed Image Text:Directions: Write your answers on the space provided and show complete solution for the solving problems. 1. A man can swim with a speed of 3 km/h in still water. He swims in a river that flows steadily at 2 km/h. use this information for the following situations: A. Situation 1: the man swims in the same direction as the river current. i. How fast is he swimming relative to the river bank? ii. How much time does it take him to swim 2 km?
5. A batter hits a baseball so that I leaves the bat with an initial speed v, = 37.0 at an initial angle
a, = 53.1°, at a location where g = 9.80 m/s° (Figure 17). (a) Find the position of the ball, and the
magnitude and
direction of its
velocity, when
t= 2.00 s. (b)
Find the time
when the ball
reaches
the
highest point of
its flight and find
it height h at this
point. (c) Find
the
A44m
-370m/s
604
R-134m
horizontal
range R - that is,
the
horizontal
distance from
Figure 17. Trajectory of a batted baseball treated as a projectile
the starting point
to the point at
which the ball hits the ground. For each part, treat the baseball as a projectile.
Transcribed Image Text:5. A batter hits a baseball so that I leaves the bat with an initial speed v, = 37.0 at an initial angle a, = 53.1°, at a location where g = 9.80 m/s° (Figure 17). (a) Find the position of the ball, and the magnitude and direction of its velocity, when t= 2.00 s. (b) Find the time when the ball reaches the highest point of its flight and find it height h at this point. (c) Find the A44m -370m/s 604 R-134m horizontal range R - that is, the horizontal distance from Figure 17. Trajectory of a batted baseball treated as a projectile the starting point to the point at which the ball hits the ground. For each part, treat the baseball as a projectile.
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