PLEASE GIVE ANSWERS FOR QUESTIONS 18 TO 21
Attachments:
Answers
Answered by
2
24) a.Periplaneta americana b.Brassica
sivaguru:
Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.
Answered by
1
20(a)-2,8,7
(b)non-metal because its charge is -1 and -ve charge is of non-metal
19(b)v=u+at
a=(v-u)/t
a=(15-0)/0.1
a=150m/s²
F=ma
F=0.15kg×150
F=2.25N
(b)non-metal because its charge is -1 and -ve charge is of non-metal
19(b)v=u+at
a=(v-u)/t
a=(15-0)/0.1
a=150m/s²
F=ma
F=0.15kg×150
F=2.25N
20 (c) 12C6 and 14C6
Similar questions