4) The acceleration of a particle is given by: a = -kv where k is a constant and v is the instantaneous speed. Determine the speed and the position of the particle as functions of time.

Determine the magnitude of the velocity of boat A with respect to boat B. Two boats leave the shore at the same time and travel in the directions shown in (Figure 1). vA = 12 m/s and vg = 19 m/s Express your answer to three significant figures and include the appropriate units. HẢ ? VA/B = Value Units Submit Request Answer Part B Determine the direction angle of the velocity of boat A with respect to boat B, measured counterclockwise from the positive a axis. Express your answer using three significant figures. ΠVα ΑΣφ It vec ? Figure Submit Request Answer Part C How long after leaving the shore will the boats be 760 m apart? Express your answer using three significant figures. \30 Πνα ΑΣφ It vec ? 45° t =

Look at the question please