Question

3.
function of time (a) the velocity. (b) the speed, (c) average velocity
A particle is moving in three dimensions, Its position vector is given by
1 - 61+(3+401 - (3+21-)k Distance are in metres, and the time, t, in seconds.
(a) What is the velocity vector at t + 3 sec?
(b) What is the speed (in m/s) att + 3 sec?
A particle moyes in y
4​

Answer 1

Answer:

) A particle is moving in three dimensions.Its position vector is given by <br>

<br> Distance are in meters, and the time t, in seconds. <br> ( a) What is the velocity vector at

<br> (b) What is the speed

? <br> (c) What is the acceleration vector and what is its magnitude

? <br> (ii) Now the particle is moving only along the z-axis, and its position is given by