Aptitude Test Problems in Physics Science for Everyone by S Krotov ( PDFDrive.com )

Solutions 157 we can use the energy and momentum conservation laws: Mv2 mu2 2 2 = mgh, My = mu. Since at the moment of maximum a ...

(^158) Aptitude Test Problems in Physics ities of the washer and the block become equal. Then the washer will slide down the blo ...

Solutions (^159) tween two successive collisions with the box (every time the centre of the washer covers a distance D — 2r at a ...

160 Aptitude Test Problems in Physics of motion of the hoop is as follows: the centre of the hoop moves to the right when the wa ...

Solutions (^161) 1.58. At the moment of snapping of the right string, the rod is acted upon by the tension T of Fig. 164 the lef ...

(^162) Aptitude Test Problems in Physics The second equation (the condition of equality to zero of the sum of all moments of for ...

Solutions (^163) must be equal to u = v tan a (At is so small that the angle a practically remains unchanged). Con- sequently, t ...

(^164) Aptitude Test Problems in Physics From Eqs. (1)-(3), we find the condition of motion for the rope at the initial instant ...

Solutions (^165) (1) the potential energy of the bodies must be maximum at the initial moment; (2) the bodies must collide simul ...

166 Aptitude Test Problems in Physics and by the energy conservation law 4mvt,my! 2 -4_^ 4mq, 2 ' 2 ' where v 1 and v 2 are the ...

Solutions (^167) In the stationary reference frame, the veloci- ties of the a-particle and the proton are represent- ed in the f ...

168 Aptitude Test Problems in Physics to remain in contact with the surface of the pipe the condition N = mv 2 ir — mg' cos 13 , ...

Solutions 169 1.67*. Let us suppose that at a certain instant, the wheel is in one of the positions such that its cen- tre of ma ...

(^170) Aptitude Test Problems in Physics where sin a Pe, l/r, is lost (converted into heat). For the velocity v to remain consta ...

Solutions (^171) No separation occurs if the angle fl determined from these equations is not smaller than a, and hence cos 13 &l ...

(^172) Aptitude Test Problems in Physics 1.70. The steady-state motion of the system in air will be the falling of the balls alo ...

Solutions (^173) Then t.= Ati+ At 2 +. AtN 1 (A/) 2 2 (A/) 2 N (Al) 2 (Al) 2 N (N+1) VT yr VT 2 • Since N is large, we have (A/) ...

174 Aptitude Test Problems in Physics and the white ball will simultaneously turn through an angle 2st since the period of revol ...

Solutions 175 motion in a straight line. At a certain instant, the left load is acted upon along the vertical by a force mg T, a ...

176 Aptitude Test Problems in Physics where T 1 and T 2 are the tensions of the relevant threads. Let us write the equations of ...