bn725434 bn725434

22-09-2018
Physics

contestada

two ice skaters push each other, and move in opposite directions. the mass of one is 75 kg, and his speed is 2 m/s. if the mass of the other is 30 kg, what is her speed?

Respuesta :

osprey2015 osprey2015

23-09-2018

momentum conservation

75x2 = 30 x her speed

75x2/30=150/30=5m/s

Answer Link

Otras preguntas

What Are The Main Complaints And Demand Of The People In The Non Democratic Country?

explain the steps necessary for solving the following equation. x^2-8x-20=0

How do you think the Aztecs were able to establish an extensive empire in such a relatively short period of time?

How much is 15% of $25.00

The function rule C = 10n + 26 relates the number of people n who attend a small concert to the cost in dollars C of the concert. Make a table of input and out

Which is a complete sentence? A. Explore six Pueblo sites in four states. B. Streaked red canyon walls and ancient cliffside dwellings. C. A winding path that l

what is a expression equivalent to ^3√8x^2y^3z^4

Please show me how to solve for Y 4(7y+x)=4

Is the land use for most of panama forestry yes or no?

A movie poster is 3 feet wide and 5 feet tall. A frame shop charges $1.00 per foot for a black metal frame. How much would it cost to buy a black metal frame fo