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Is velocity ever a scalar quantity? - Physics Forums I thought velocity was always a vector quantity, one with both magnitude and direction When it came to the suvat equations, where v = final velocity, and u = initial velocity, I thought both of those were vector quantities, e g; v (final velocity) 112km hr North u (initial velocity) 0km hr
Calculating Nozzle Flow Rate - Physics Forums Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time To do this we work out the area of the nozzle and then multiply it by the velocity of the water coming from the nozzle to give us volume per unit of time
Find Velocity given Force and Mass - Physics Forums Velocity is the speed at which an object is moving It can also be thought of as the speed of a moving object divided by the time of travel In this case, it is the speed of a body divided by the time taken for the body to move a given distance
Exit velocity of a gas through a hole - Physics Forums Question: How does the velocity of the escaping gas relate to the diameter of the hole? I am not sure even how to approach this My first impulse is to apply Bernoulli's principal as it basically states that there is a relationship between the pressure of a fluid and the velocity of a fluid
Relation Between Spring Constant and Angular Velocity I was going through Periodic Motion chapter of my book and came across an equation while defining the relation between Time Period of on oscillating particle and force constant k m=w2 which was applied in, T = 2xpie angular velocity can anyone please help me define this equation I can't seem
Velocity of an Object Dropped from Height: Law Explained an increase in the height from which an object is dropped positively correlates with the final velocity of the object as it falls It has more time to fall, so it will hit at a greater speed There isn't a law that states this, but it follows from the mechanics of constant acceleration You might want to note something about air resistance and terminal velocity
Converting velocity to pressure - Physics Forums I am trying to work with the simplified Bernoulli equation to determine how to convert a drop in flow velocity across a stenosis (narrowing) into a change in hemodynamic pressure Radiologists often use Doppler ultrasound to measure flow velocity change in a blood vessel with a stenosis- but I
How to find angular velocity from torque? - Physics Forums You can calculate the amount of torque required to accelerate the object, say from rest to a certain angular velocity Your question is a bit unclear If you want to determine what the angular velocity of a rotating object, that can be accomplished by using a stroboscope or timing light