Starting from a pillar, you run 400 m east (+x direction) at an average speed of...
- Starting from a pillar, you run 400 m east (+x direction) at an average speed of 4 m/s, and then run 560 m north (+y direction) at an average speed of 7 m/s to a post. Calculate
- your average speed from pillar to post.
b. your average velocity from pillar to post.
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Starting from a pillar, you run 400 m east (+x direction) at an
average speed of...
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. As you walk to class with a constant speed of 1.75 m/s, you are moving in a direction that is 18.0° north of east. How much time does it take to change your position by (a) 20.0 m east or (b) 30.0m north? In-Class Chapter 4 Part 1 PHY-131 .A skateboarder travels on a horizontal surface with an initial velocity of 3.8 m/s toward the south and a constant acceleration of 2.2 m/s2 toward the east. Let the x...
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A 190-kg rugby player running east with a speed of 4.00 m/s
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Assume the tackle is a perfectly inelastic collision. (Assume that
the +x axis points towards the east and the +y
axis points towards the north.)
(a) What is the velocity of the players immediately after the
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magnitude
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. As you walk to class with a constant speed of 1.75 m/s, you are moving in a direction that is 18.0° north of east. How much time does it take to change your position by (a) 20.0 m east or (b) 30.0m north? In-Class Chapter 4 Part 1 PHY-131 .A skateboarder travels on a horizontal surface with an initial velocity of 3.8 m/s toward the south and a constant acceleration of 2.2 m/s2 toward the east. Let the x...
A 190-kg rugby player running east with a speed of 4.00 m/s
tackles a 99.0-kg opponent running north with a speed of 3.90 m/s.
Assume the tackle is a perfectly inelastic collision. (Assume that
the +x axis points towards the east and the +y
axis points towards the north.)
(a) What is the velocity of the players immediately after the
tackle?
magnitude
m/s
direction
° counterclockwise from the +x axis
(b) What is the amount of mechanical energy lost during...
Your answer is partially correct. A 290-m-wide river flows due east at a uniform speed of 1.4m/s. A boat with a speed of 7.8m/s relative to the water leaves the south bank pointed in a direction 28° west of north. What is the (a) magnitude and (b) direction of the boat's velocity relative to the ground? Give the direction as the angle of the velocity from due north, positive if to the east and negative if to the west. (c)...
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