Two-Dimensional Motion and Vectors

  • Thread starter Thread starter eaglesfan94
  • Start date Start date
  • Tags Tags
    Motion Vectors
AI Thread Summary
The discussion focuses on calculating the total displacement along U.S. Highway 212, which extends 55 km at a 37-degree angle north of east and then 66 km due east. The calculations involve breaking down the two segments into their x and y components using trigonometric functions. The final displacement is determined using the Pythagorean theorem, resulting in a total displacement of 115 km. The problem emphasizes the importance of vector addition in two-dimensional motion. Understanding these calculations is crucial for solving similar physics problems.
eaglesfan94
Messages
1
Reaction score
0

Homework Statement


U.S. Highway 212 extends 55km at 37 degrees north of east between Newell and Mud Butte, south Dakota. It then continues for 66 km nearly due east from Mud Butte to Faith, South Dakota. If you drive alongthis part of U.S. Highway 212, what will your total displacement be?

X1=55(cos37) Y1=55(sin37)
X2=66(cos0) Y2=66(sin0)

Homework Equations


d^2=X^2+Y^2


The Attempt at a Solution


D=115km
 
Physics news on Phys.org
eaglesfan94 said:

Homework Statement


U.S. Highway 212 extends 55km at 37 degrees north of east between Newell and Mud Butte, south Dakota. It then continues for 66 km nearly due east from Mud Butte to Faith, South Dakota. If you drive alongthis part of U.S. Highway 212, what will your total displacement be?

X1=55(cos37) Y1=55(sin37)
X2=66(cos0) Y2=66(sin0)

Homework Equations


d^2=X^2+Y^2


The Attempt at a Solution


D=115km
Did you have a question about this?
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...

Similar threads

Back
Top