Ask a New Question
Questions and answers by
Rashid
Questions (9)
a uniform rod with a mass 120g and a length of 130cm is suspended by a wire from a point 80cm from the rod's left and. what mass
1 answer
193 views
a uniform rod with a mass 120g and a length of 130cm is suspended by a wire from a point 80cm from the rod's left and. what mass
1 answer
119 views
A small glider is placed against a compressed spring at the bottom of an air track that slopes upward at an angle of 38.0 ∘
2 answers
2,546 views
In how many ways can a student select three couses from seven available courses?
3 answers
617 views
20 red marbles cost $3 while 40 green marbles are available at$4.how much would it cost someone to buy 10red marbles and 50
1 answer
463 views
If x^2-11x+3x<0 then which of the following could be the value of x?
1 answer
451 views
The average salary of four managers in a firm is BDT 500000 per annum.every year all ten supervisors of that firm are paid BDT
1 answer
499 views
A mixture of 1.39 g H2 and 1.60 g He is placed in a 1.00-L container at 27°C. Calculate the partial pressure of each gas and
1 answer
570 views
An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The
5 answers
5,821 views
Answers (7)
Moles of O atom in 9.00 of Mg (NO3)2
Student
about mischief
It was right
I used potential gravitational energy at 1.4m and at .4m, subtracting the energy to get KE, and came out with 0.36J
Yeah.if we follow the rule of combination the ans comes 35 but the ans is showing 28..but how?
i don't know how to use that, can you please show me?
