How do you find something relative to something else?

To find the relative difference between two values, divide the difference by the original value: differenceoriginal value Convert this number to a percentage. If the value increased, we say there is a x percentage increase.

What is relative velocity?

The relative velocity is defined as the velocity of an object with respect to another observer. It is the time rate of change of relative position of one object with respect to another object.

What is relative velocity with example?

Answer: Relative velocity is defined as the velocity of an object B in the rest frame of another object A. 2) A motorcycle travelling on the highway at a velocity of 120 km/h passes a car travelling at a velocity of 90 km/h.

How do you calculate relative velocity to the shore?

Figure 3.18 The velocity of the boat relative to the shore is vBS. It is the vector sum of the velocity vBW of the boat relative to the water and the velocity vWS of the water relative to the shore:vBS = vBW+vWS.

What is relative velocity in physics?

Definition of relative velocity : the vector difference between the velocities of two bodies : the velocity of a body with respect to another regarded as being at rest — compare relative motion.

How do you find the relative velocity of Class 11?

Velocity of A relative to B = vAB = vA – v.

How do you calculate relative improvement?

To find the increase relative to the old value, divide the absolute increase by the old value O to get the relative increase, (N–O)/O. This value is the fraction of the old value that was added to get the new value. If you want to express the relative increase as a percentage, you can multiply it by 100.

How do you calculate relative?

Divide the range by the average value, and then multiply the result by 100 to calculate the relative percent range. In this example, the relative percent range is ($6.44 / $37.90) x 100 = 16.99 percent.

Relative Velocity: We encounter occasions where one or more objects move in a frame which is non-stationary with respect to another observer. For example, a boat crosses a river that is flowing at some rate or an airplane encountering wind during its motion. In all such instances, in order to describe the complete motion of the object,…

What is the velocity of the motorcycle relative to the car?

Substituting the values in the above equation, we get V AB = 120 km/h – 90 km/h = 30 km/h Hence, the velocity of the motorcycle relative to the passenger of the car is 30 km/h. State if the statement is true or false: Relative velocity can be negative. The above statement is true. Relative velocity can be negative.

How do you calculate the resultant velocity of a plane?

The resulting velocity of the plane is the vector sum of the two individual velocities. To determine the resultant velocity, the plane velocity (relative to the air) must be added to the wind velocity. This is the same procedure that was used above for the headwind and the tailwind situations; only now, the resultant is not as easily computed.

How do you calculate the sliding velocity of a pin?

Now, the pin rotates counterclockwise, at an angular velocity of w, relative to the slot, and this contributes a sliding velocity of w × (pin radius) = wd /2 relative to the slot (on the right side). In addition, the pin translates relative to the slot, and this contributes a sliding velocity of wR cos θ relative to the slot.