A0.5 kg puck and a 0.25 kg puck collide on a frictionless air table. during the collision, the 0.25 kg puck undergoes an acceleration of 4.0 m/s

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?

What are two different ways you could find the value of a? explain these methods.

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?