Question

What is the relative velocity of the wind relative to the planet doet head wind? 2. At a given time, the relative velocity of objects with respect to object As.14 ms. Assuming the top surface of both objects A and remain horizontal, (a determine the velocity of each body at the instant depicted in the figure (b) Explain what does the resa mean? 3. Starting from rest, objects A and B are allowed to side down the surface. The coefficients of friction, for objects A and are 0.5 and 0.6 respectively. (a) Derive the equation relating distance and acceleration, i.e., 5 . att (b) Determine which object would reach the ground first after finding the time required by each object to reach the ground 4. The movements of two objects. A and B in space are given by the set relationship as follows: SA=41 31 5 and s t .2: where sis in million miles and tis in hour (a) Are the accelerations of the two objects going to be equal at any time? (b) If yes, at what time, if no, why? 5.1 Comets A and B are one and two thousands miles from planet Iupiter respectively. The massa comet B. The forces of attraction between Jupiter and comet Ais (a) half (b) samec) two times of the force of attraction between lupiter and comet 2 The force of attraction between the earth and a man standing on the surface is the same at (a) True (b) False on indtars of the coordinate system are lan.com

Answer 1

= 4+²+3t+s D S8=t? +et vaadsa = 8t+3 von den = 2t+2 ag= dve @ The accelestion of two objects won't be equal at any time © No; because aa=8 and ag=2 . 882 So; and ab will never will be equal -