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Questions (7)
In a class 3/4 of the students in a class are girls. There are 28 boys. What fraction of the class are boys? How many students
2 answers
1,113 views
A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is
1 answer
761 views
How does the inner core differ from the outer core?
1 answer
405 views
A force of 200 N is needed to push a tabble across a level classroom floor for a distance of 3 m. How much work was done on the
3 answers
1,047 views
What is the kinetic energy of a 2,000 kg car that is moving at 72 km/h?
3 answers
1,264 views
How much work is done in raising a 10.0 kg backpack from the floor to a shelf 1.50 m above the floor?
1 answer
1,139 views
What is the kinetic energy of a 2,00 kg car that is moving at 72 km/h?
1 answer
477 views
Answers (1)
I need any 7th grade experiment that is easy bot not too hard
