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How do you calculate drag coefficient when you are not given drag force?
You can calculate the drag coefficient by using the formula Cd = Fd / (0.5 * ρ * A * V^2), where Cd is the drag coefficient, Fd is the drag force, ρ is the air density, A is the reference area, and V is the velocity of the object. Given these values, you can rearrange the formula to solve for the drag coefficient.
What would have a higher terminal velocity a marble or a napkin?
The marble has lower drag so its terminal velocity would be greater. Each has its own terminal velocity.
How do you calculate impact Energy for Pneumatic Hammers or how to calculate the Hammer piston velocity?
Hammer piston velocity is: Velocity of an pneumatic cylinder can be calculated as s = 28.8 q / A (1) where s = velocity (inches/sec) q = volume flow (cubic feet/min)A = piston area (square inches) Do you know how to calculate the impact PSI? - This is where I get lost.
Why when you use parachute the acceleration decrease?
when we use parachute, the wide surface area can decrease the velocity of the fallen object. thus, the drag force will also decrease. consequently, acceleration will be zero when the velocity is constant. finally, the object can land more safely without huge impact.
To find the acceleration of an object moving in a straight line you must calculate the charge in distance during unit of time?
To find the acceleration of an object moving in a straight line, you must calculate the change in velocity during a unit of time. Acceleration is the rate of change of velocity over time, not distance. It is given by the formula acceleration = (final velocity - initial velocity) / time.
What is the relationship between drag and velocity in a drag vs velocity graph?
In a drag vs velocity graph, the relationship between drag and velocity is that as velocity increases, drag also increases. This means that the drag force acting on an object moving through a fluid (like air or water) becomes stronger as the object moves faster.
How do you calculate drag coefficient when you are not given drag force?
You can calculate the drag coefficient by using the formula Cd = Fd / (0.5 * ρ * A * V^2), where Cd is the drag coefficient, Fd is the drag force, ρ is the air density, A is the reference area, and V is the velocity of the object. Given these values, you can rearrange the formula to solve for the drag coefficient.
What are formulas to calculate drag coefficient when you don't have drag force?
The drag coefficient (Cd) can be calculated using the formula: Cd = (2 * Drag Force) / (ρ * A * V^2), where ρ is the fluid density, A is the reference area, and V is the velocity. If drag force is not known, Cd can be determined experimentally by measuring the drag force at different velocities and using the above formula to calculate Cd.
How do you calculate the change in velocity of an object?
To calculate the change in velocity of an object, you subtract the initial velocity from the final velocity. The formula is: Change in velocity Final velocity - Initial velocity.
What is the formula for aerodynamic drag?
The formula for aerodynamic drag is given by: drag force = 0.5 * drag coefficient * air density * velocity^2 * reference area. It represents the resistance encountered by an object moving through a fluid like air, with factors such as velocity, air density, drag coefficient, and reference area influencing the drag force.
How does aircraft drag increase with speed?
Drag increases by the square of velocity increase, for example, tripling speed increases drag by a factor of nine!
What does drag mean?
Drag coefficient can be defined as the ratio of the drag on a body moving through air to the prioduct of the velocity and the surface area of the body.
What is the difference between drag and velocity in the context of physics?
In physics, drag is a force that opposes the motion of an object through a fluid, like air or water. It acts in the opposite direction of the object's velocity. Velocity, on the other hand, is the speed of an object in a specific direction. So, the main difference is that drag is a force that hinders motion, while velocity is the speed and direction of that motion.
What is the formula to calculate the linear velocity of a wheel when it is rotating at a given angular velocity?
The formula to calculate the linear velocity of a wheel when it is rotating at a given angular velocity is: linear velocity radius of the wheel x angular velocity.
How do you measure aerodynamic forces in a homemade wind tunnel?
you could use a spring behind your object, and calculate inline reaction force from deflection. it will be essential the wind speed is accurately measured force will represent wind velocity squared *drag coefficient , once calculated the drag coefficient can be used elsewhere, in acceleration calculations for instance. measuring forces versus wind speed should produce a exponential graph in the form f = v^2 as drag force is proportional to square of velocity if you translate the action into freefall , at terminal velocity the forces balance, down = mass * gravity acceleration ( newtons) up = velocity ^2 * drag coefficient (newtons)
How do calculate the velocity of the boat relative to the shore?
Add the rivers velocity to the boats velocity
How does wheel size effect velocity?
wheel size effects velocity by, way of drag and surface area that touches road or cement. the more drag or surface touching ground the slower you will move
