There are 13 boys are 4 girls in the jazz band find the ratio of the number of boys in the band to the total number of students in the band

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A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.