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Answered 2010-04-23 17:45:43
The average velocity in a particular direction = distance travelled in that direction / time taken.
Velocity is a vector so the direction is important. If I go from A to B and then return to A my average velocity will be zero. My speed, on the other hand, will not be zero.
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to determine the accerlartion of an object, you must calculate its change in velocity per unit of time
Change in velocity / time
Accelaration= change in velocity/time taken OR Acceleration=final velocity- initial velocity/time taken
Mass divided by volume
v=d/t where d is the distance and t is the time
RPM is an expression of rotational velocity. It is the number of revolutions a rotating object makes on its own axis in one minute. RPM is used to calculate horsepower, linear velocity, gear ratios, and tangential velocity. The formula for roller rpm = Distance / Circumference.
The equation is:a = ∆v/∆twhere:∆v is the change in velocity∆v is the period of time
A=Vf-Vi/t Acceleration is the final velocity minus the initial velocity divided by the time it too to reach it
There are certain formulas used in physics to determine the force applied to an object. MV=Ft, mass*velocity = force*time, a formula calculating the momentum of a moving object. So, if you apply a force to an object you can calculate the velocity it gains and observe the mass it has, then you observe the time the force was applied, finally the force applied can be determined by a simple division.
It is equal to 1/2 MV2, M=mass, V=velocity
speed = distance/time v2 = u2 + 2as final velocity squared = initial velocity squared + twice the acceleration multiplied by distance
Acceleration is "force divided by mass" or "change in velocity with respect to change in time".
One formula that is often used is: distance = speed x time
Speed = (distance covered in some time)/(time to cover the distance)
For acceleration, I often use these two formulas (if needed: a = acceleration vf = final velocity vi = initial velocity) (1) a = (vf + vi) / 2 and/or (2) a = (vf - vi)/t On Earth, gravity, friction, and air resistance are the main forces that slow an object down.
the formula used to calculate a slope is: m=y2-y1/x2-x1
Velocity is . . . . . (distance between two points, regardless of the path that the object followed between them) divided by (time elapsed between leaving one point and arriving at the other one) and the direction from the starting point to the ending one.
Calculate the initial potential energy (PE = mgh). Assume that all of this gets converted to kinetic energy, and solve for velocity (KE = 0.5 mv2).
what formula is used for calculate flow rate of pump vs kw
A vector is used to represent direction and magnitude of speed. Velocity is the speed of an object and a specification of its direction of motion. Speed describes only how fast an object is moving, whereas velocity gives both how fast and in what direction the object is moving. Therefore a vector can be used to represent a velocity. The term "resultant velocity" implies a change in velocity which can be determined using vector analysis.
change in time, initial velocity and final velocity
Speed, instantaneous or not, is a term used for how fast an object travels. Velocity, instantaneous or not, is a term used for how fast an object travels in a particular direction.
You can use a graph to calculate speed.
Differentiation is used to find the velocity of an object at a particular point.
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