141282 A metro trains starts from rest and in five seconds achieves \(108 \mathrm{~km} / \mathrm{h}\). After that it moves with constant velocity and comes to rest after travelling \(45 \mathrm{~m}\) with uniform retardation. If total distance travelled is \(395 \mathrm{~m}\), find total time of travelling.

141283 The v-t graph for a particle is as shown. The distance travelled in the first four seconds is :

141284 A body dropped from the top of a tower covers a distance \(7 x\) in the last second of its journey, where \(x\) is the distance covered in first second. How much time does it take to reach the ground?

141285 At what angle must the two forces \((x+y)\) and \((x-y)\) act so that the resultant may be \(\sqrt{\left(x^{2}+y^{2}\right)}\) ?

141282 A metro trains starts from rest and in five seconds achieves \(108 \mathrm{~km} / \mathrm{h}\). After that it moves with constant velocity and comes to rest after travelling \(45 \mathrm{~m}\) with uniform retardation. If total distance travelled is \(395 \mathrm{~m}\), find total time of travelling.

141283 The v-t graph for a particle is as shown. The distance travelled in the first four seconds is :

141284 A body dropped from the top of a tower covers a distance \(7 x\) in the last second of its journey, where \(x\) is the distance covered in first second. How much time does it take to reach the ground?

141285 At what angle must the two forces \((x+y)\) and \((x-y)\) act so that the resultant may be \(\sqrt{\left(x^{2}+y^{2}\right)}\) ?

141282 A metro trains starts from rest and in five seconds achieves \(108 \mathrm{~km} / \mathrm{h}\). After that it moves with constant velocity and comes to rest after travelling \(45 \mathrm{~m}\) with uniform retardation. If total distance travelled is \(395 \mathrm{~m}\), find total time of travelling.

141283 The v-t graph for a particle is as shown. The distance travelled in the first four seconds is :

141284 A body dropped from the top of a tower covers a distance \(7 x\) in the last second of its journey, where \(x\) is the distance covered in first second. How much time does it take to reach the ground?

141285 At what angle must the two forces \((x+y)\) and \((x-y)\) act so that the resultant may be \(\sqrt{\left(x^{2}+y^{2}\right)}\) ?

141282 A metro trains starts from rest and in five seconds achieves \(108 \mathrm{~km} / \mathrm{h}\). After that it moves with constant velocity and comes to rest after travelling \(45 \mathrm{~m}\) with uniform retardation. If total distance travelled is \(395 \mathrm{~m}\), find total time of travelling.

141283 The v-t graph for a particle is as shown. The distance travelled in the first four seconds is :

141284 A body dropped from the top of a tower covers a distance \(7 x\) in the last second of its journey, where \(x\) is the distance covered in first second. How much time does it take to reach the ground?

141285 At what angle must the two forces \((x+y)\) and \((x-y)\) act so that the resultant may be \(\sqrt{\left(x^{2}+y^{2}\right)}\) ?