What tool is used to measure angles ?
Goniometer
How do you convert degrees to radians ?
degrees divided by 57.3
what is angular acceleration ?
rate of change in angular velocity
magnitude of total acceleration?
m/s2
The clockwise direction regarded as positive...
flase
the path, how far it moved.
what is the equation for angular speed ?
angular distance divided by time
what is angular distance ?
sum of all angular changes
what is the unit for angular velocity ?
degrees per second / deg/s
radians per second / rad/s
the most common unit of time is seconds
true
when are radian based units essential ?
When converting between linear and angular velocity.
what is the equation for angular velocity ?
angular displacement divided by time
what is angular displacement ?
the change in angular position ( start to end)
what are the units for angular acceleration ?
radians/s2
Tangential acceleration is change in linear distance.
false
the magnitude of a quantity is proportional to the ______ of a vector ?
length
what is the equation for speed?
distance / T
What is the definition of angular velocity ?
the change in angular displacement over a given time.
what is the unit for maximum velocity ?
rad/s
radial acceleration represents change in direction
true
if bat A is longer than bat B and both are swung in an identical fashion with a ball hitting off the end of each bat, which ball will travel further?
Ball hit by bat A
what is angular acceleration ?
d= w2-w1/ t
What is angular kinematics ?
description of angular motion using the quantitative terms of displacement, velocity, and acceleration.
acceleration is measured in ?
m/s
the flexion of a joint is positve in direction when viewed from one side , the same motion will be negative in direction when viewed from the other side.
true