true or false when taking a handoff you need to make sure you you reach out with your hands and grab the ball
1 answer:
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The resultant is maximum when the angle between the two vectors is zero
Explanation:
The formula to calculate the resultant of two vectors A, B is the following:
where
A is the magnitude of vector A
B is the magnitude of vector B
is the angle between the directions of A and B
This formula can be derived by applying the parallelogram law.
From the formula, we observe that:
- When (vectors A and B parallel),
. so the resultant becomes simply
- When (vectors A and B perpendicular),
, so the resultant becomes
- When (vectors A and B anti-parallel),
, so the resultant becomes
By looking at the three cases and at the formula, we see that the maximum value of the resultant is when the angle between the two vectors is zero, since in that case the resultant is simply obtained by adding the magnitudes of the two vectors.
Learn more about vector addition:
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Answer:
c. joules
Explanation:
The rate at which a force displaces a mass a horizontal distance is measured in joules. In science, this phenomenon is known as work done.
Work done can be defined as the rate at which a force acting on an object or a body causes it to experience a displacement. The work done is a scalar quantity and is measured in joules (J).
Mathematically, work done is given by the formula;
Work done = force * distance
Where,
- W is the work done
- F represents the force acting on a body.
- d represents the distance covered by the body.
<em>For example, a bull pulling a plough through a farm, a girl pushing a shopping cart down the aisle of a supermarket etc. </em>