You have an expression that relates displacement vector rs to unit vector d and an expression that relates displacement
Posted: Sat Jul 09, 2022 12:21 pm
You have an expression that relates displacement vector rs to unit vector d and an expression that relates displacement vector rs to unit vectors v and h. Substitute these expressions into the velocity expressions until you have the velocity vectors in terms of unit vectors h and v.Or method 2:The velocity vectors can be written as the sum of their "projections" along the unit vectors h and v directions. To find a "projection of a vector" in a particular direction you should dot that vector with the unit vector that defines that direction. Therefore: vector Va=(Va•h)h+(Va•v)v
You have an expression that relates displacement vector rs to unit vector d and an expression that relates displacement vector rs to unit vectors v and h. Substitute these expressions into the velocity expressions until you have the velocity vectors in terms of unit vectors h and v.
Or method 2:
The velocity vectors can be written as the sum of their "projections" along the unit vectors h and v directions. To find a "projection of a vector" in a particular direction you should dot that vector with the unit vector that defines that direction. Therefore: vector Va=(Va•h)h+(Va•v)v
5m NE Child name Alex Berry Carmen |AF|= 5.4 m Recorded speed 3.5 m/s 2 m/s 5m/s AF AG÷21-SV 45-5.43
You have an expression that relates displacement vector rs to unit vector d and an expression that relates displacement vector rs to unit vectors v and h. Substitute these expressions into the velocity expressions until you have the velocity vectors in terms of unit vectors h and v.
Or method 2:
The velocity vectors can be written as the sum of their "projections" along the unit vectors h and v directions. To find a "projection of a vector" in a particular direction you should dot that vector with the unit vector that defines that direction. Therefore: vector Va=(Va•h)h+(Va•v)v
5m NE Child name Alex Berry Carmen |AF|= 5.4 m Recorded speed 3.5 m/s 2 m/s 5m/s AF AG÷21-SV 45-5.43