Assignment Kinematics I

May 11, 2018 | Author: Susheel Gupta | Category: Speed, Velocity, Acceleration, Kinematics, Physical Phenomena

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Assignment Kinematics I...

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A�� :� �� (�� )

�� 1. A �� , �� . C�� . 2. A �� 100 � �� 4 ��. �� (�) �� (��) �� ? �A��. (�) 50π �/��. (��) 0 � 3. A �� 1 �� 2. C�� . �2�1 �2/ (�1 + �2)� 4. A �� 30 ��/� �� 15 ��, �� 40 ��/� �� 15 ��, �� 60 ��/� �� 30 ��. C�� . (A��. 47.5 ��/� ) 5. A �� 1 �� 1 �� 2 �� 2 �� C�� . A��. (�1 + �2) �1 �2/ (� 1�1 + �2�2)

�� 6. �� = � + ��2, �� = 8.5 �, �2 � = 2.5 �� . �� = 0� �� = 2�. �� = 2� �� = 4�? �A�� 10 �/�, 15 �/� �C�� 3.2 � 7. �� /�2 �� = 3�2 + 2� + 2, �� . �� = 2 �/� �� = 0, �� 2�. 2 3� +2�+2�

�� = ��/ �� = ��

8. �� 80� ��. �� 72��/� �� 60 ��/�, ��. B�� 5 �/�2. �� . (A�� = 67.28 �) 9. A �� 1 �/�2 �� . �� . (A�� =10�, 4.24 � ) 10.

A �� 16 �/� �� 0.4 �. �� . (A��. 0.05�)

11.

A �� 10 � �� 20 �/�. �� 40 � �� . �� 640 �. �� , �� . (A��:� 2�/�2, 5�/� 2, 39�) ��

�� . 12. A �� 20 � �� 7�� 24 �� 9�� . �� 15�� ? (A��. 36�)� 13. A �� 4� �� 3�� 12� �� 5�� . �� , �� 3� ? (A��. 60�) 14. A� �� . �� 5� �� 25�/� �� 8�, �� 34�/�. �� 12�� . (A��. 44.5�)

�� 15. A �� 4 �. �� 3 �. �� 0.01 �, �� ? (A��.1652 �/�2) 16. A �� 19.6�/� �� 6�. �� . (A�� = 58.8 �.)

17. A �� =9 � �� = 2 �/�2. �� , �� ? �� ? (�� . �� . ∴��0+�� , �� , �� .�.� �� , � � �� .� � � �� 2 � � �� 2. � � 2 � / � � 3� ⇒ � �� .� � �� 2 � �.2�/� � 2 � � � 1� � � � ��

2 � / � �

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2 �.� � 6�/� �� 1 �� 2

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18. A �� 14 �/� �� 98 � �� 2 �� . A�� = 9.8�/� . (A��. 6.�2�, 45.98 �/�) 19. A �� 10 �/�2 �� 1 �� . �� ? (A��. 36.4 ��) 20. �� , 39.2 � ��, � �� 9.8 �/� �� . (�) �� ? (��) �� 2 �� ? (��) �� ? �� = 10 �/� (A��. 4�, 2�, 29.4 �/� ) 21. A �� 200 � �� 40 �/�. ��, �� . (A��. 77.5 � �� , 5� ) 22. �� . �� 4� �� . �� , �� , �� ? (A��. 34.3 �, 24.5 �, 14.7 � ) 23. A �� 19.6 �/� �� 6 �. �� .

�� 24.

�� . 3.65. �� . (A��: 8�/�2,0 �/�2, � 10�/�2)

25. A �� 100 �/�. A�� ? �� (�) �� (��) �� 15 �. �� = 10 �/�2 (A�� 500 � ,375 �) 26. A �� 90 � �� . A� �� , �� . �� = 0 �� 12�. � ��C�� 3.12� 27. A �� . �� . (�) �� (��) A�� 0.75� �� 1 ��. (A�� 120 ��/�2, 8.75 ��)

�� 28. A �� 5 �/�2 A� �� 50 �/� �� . (�) �� ? (��) �� ? �A��. (�) 1000 � (��) 100 �/� � 29. �� 72 ��/� �� 90 ��/� �� . �� 1.0 �� , �� 1.0 �/�2 �� . (A��. ��) 30. �� A �� B �� . �� . A �� 20 ��/� �� A �� B �� 18 ��. �� , �� 6 ��. �� . �� (�� ) �� ? �A��: 40 ��/�, 9 ��.(�C�� 3.9) � 31. �� = 7 �/� �� = 3 �/� . �� , �� . �� 4.2 �� , �� . �� ? (A�� 35 ��.) 32. �� A �� B, �� 100 �, �� . �� 20 � �� 10 �. C�� . (A��. 15 �/� , 5 �/� ) 33. A �� 15 ��/� �� 5 ��/� . �� . (A��. 10 ��/� , 5 ��/� )

A�� .��

�� 2 �� 2

�B/ �A�� 5/17/2017

Assignment Kinematics I

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