Aboat can go 119 mph in still water. it takes as long to go 320 miles upstream as it does to go downstream 360 miles how fast is the current?

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?