Volume

Area is a vector; the direction of an area is perpendicular to the surface. So A is incorrect. Weight is a vector. It is a type of force; the direction of the force is downward on...Read More

Area is a vector; the direction of an area is perpendicular to the surface. So A is incorrect. Weight is a vector. It is a type of force; the direction of the force is downward on...Read More

1 Answer

282 views
E

If the head-to-tail method (sometimes referred to as the triangle method) is being used, then the tail of B should be drawn starting at the head of A. Both diagrams D and E show this....Read More

If the head-to-tail method (sometimes referred to as the triangle method) is being used, then the tail of B should be drawn starting at the head of A. Both diagrams D and E show this....Read More

1 Answer

271 views
10km

The above graph shows the person walking. The red vector is the sum of the three blue vectors and we are looking for its magnitude. We can calculate the magnitude by...Read More

The above graph shows the person walking. The red vector is the sum of the three blue vectors and we are looking for its magnitude. We can calculate the magnitude by...Read More

1 Answer

259 views
Head of B, tail of A

Adding vector B to vector A is equivalent to saying A + B. In such an instance, A is drawn first, then B is drawn with its tail at the head of A. Finally, the resultant...Read More

Adding vector B to vector A is equivalent to saying A + B. In such an instance, A is drawn first, then B is drawn with its tail at the head of A. Finally, the resultant...Read More

1 Answer

246 views
30.8

These two vectors are directed at right angles to each other. In such instances, the vector sum can be determined using the Pythagorean theorem. The resultant (R) is equal to the...Read More

These two vectors are directed at right angles to each other. In such instances, the vector sum can be determined using the Pythagorean theorem. The resultant (R) is equal to the...Read More

1 Answer

240 views
4.2 m/s to the southwest

The change of velocity is equal to the final velocity subtracted by the initial velocity, which is equal to the final velocity add the negative initial...Read More

The change of velocity is equal to the final velocity subtracted by the initial velocity, which is equal to the final velocity add the negative initial...Read More

1 Answer

237 views
We can see in the graph that the horizontal component is the adjacent side of the 60 degree angle, so we can use cosine and the vertical component is the opposite side of the 60 degree angle, so we...Read More

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233 views
Diagram B

The subtraction of A from B is equivalent to adding the negative of A to B. That is, B - A = B + (-A). The negative of a vector is simply the same vector drawn in the opposite...Read More

The subtraction of A from B is equivalent to adding the negative of A to B. That is, B - A = B + (-A). The negative of a vector is simply the same vector drawn in the opposite...Read More

1 Answer

230 viewsThese two vectors are directed at right angles to each other. In such instances, the vector sum can be determined using the Pythagorean theorem. The resultant (R) is equal to the...Read More

1 Answer

218 views
41

The distance that location C is downstream from B is mathematically related to the speed of the river and the time to cross the river. The distance can be calculated by multiplying the...Read More

The distance that location C is downstream from B is mathematically related to the speed of the river and the time to cross the river. The distance can be calculated by multiplying the...Read More

1 Answer

210 views
Dislocation is the estrangement of the human body’s two bones from a joint or the area where these bones typically come together. The displaced bones are usually no longer in a normal...Read More

1 Answer

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