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Physics in Radiology: Linear Velocity and Acceleration

18 Questions

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Physics in Radiology: Linear Velocity and Acceleration

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Questions and Answers

What is the formula to calculate linear velocity ()?

 = s - t

 = s * t

 = s + t

 = s / t (correct)

What is the unit of linear acceleration (a)?

Meters squared per second (m²/s)

Meters per second squared (m/s²) (correct)

Meters per second cubed (m³/s)

Meters per second (m/s)

How is linear acceleration (a) defined?

Distance divided by time

Rate of change of time with velocity

Velocity divided by distance

Rate of change of velocity with time (correct)

What is the relationship between force (F), mass (m), and acceleration (a)?

F = m * a Signup and view all the answers

How is average acceleration (a av) calculated?

a av = f - 0 / t Signup and view all the answers

What does deacceleration (- a) refer to?

Decrease in velocity with time Signup and view all the answers

What is the measure of the force that can cause an object to rotate about an axis?

Torque Signup and view all the answers

What is the principle in physics stating that the total energy of a closed system remains constant?

Conservation of energy Signup and view all the answers

In the equation F = ma, what does 'F' represent?

Centripetal force Signup and view all the answers

What is the formula for kinetic energy?

$EK = \frac{1}{2}mv^2$ Signup and view all the answers

What is the measure of the movement energy of an object?

Kinetic energy Signup and view all the answers

What is the unit of power?

Watt-hour Signup and view all the answers

What is the formula for power?

$Power = work done / time taken$ Signup and view all the answers

What is a device used to convert mechanical energy into electrical energy?

Electric generator Signup and view all the answers

What does a capacitor store?

Voltage Signup and view all the answers

'Inertia of uniform disc' is given by which expression?

$1/2MR^2$ Signup and view all the answers

What is the formula for work?

$W = F.d$ Signup and view all the answers

What does 'EK' represent in the formula $EK = 1/2 mv^2$?