# Question: Describe the motion of an object that is initially traveling

Describe the motion of an object that is initially traveling with a constant velocity and then receives an acceleration of constant magnitude

(a) In a direction parallel to the initial velocity,

(b) In a direction perpendicular to the initial velocity,

(c) That is always perpendicular to the instantaneous velocity or direction of motion.

(a) In a direction parallel to the initial velocity,

(b) In a direction perpendicular to the initial velocity,

(c) That is always perpendicular to the instantaneous velocity or direction of motion.

## Answer to relevant Questions

(a) Can a vector be less than one of its components? (b) How about equal to one of its components? At the instant a ball rolls off a rooftop it has a horizontal velocity component of +10.0 m/s and a vertical component (downward) of 15.0 m/s. (a) Determine the angle of the roof. (b) What is the ball’s speed as it ...A golf ball is hit with an initial speed of at an angle less than 45o above the horizontal. (a) The horizontal velocity component is (1) greater than, (2) equal to, (3) less than the vertical velocity component. Why? (b) ...Given two vectors, which has a length of 10.0 and makes an angle of 45o below the –x-axis, and which has an x-component of +2.0 and a y-component of +4.0, (a) Sketch the vectors on x– y axes, with all their “tails” ...A student works three problems involving the addition of two different vectors F-bar1 and F-bar2. He states that the magnitudes of the three resultants are given by (a) F1 + F2, (b) F1 – F2,and (c) √F21 + F22. Are ...Post your question