F = ma

PDF организаторовВсе заданияВсе решения

1Fastest point on a position-time graph *

2Fastest point on a velocity-time graph *

3Fastest point on an acceleration-time graph *

4Reaction time before a falling piano lands *

5Time-of-flight difference for two projectiles *

6Height-to-range ratio of a projectile *

7Angular momentum at the blackout limit *

8Maximum acceleration of a car climbing a hill *

9Angle of a hanging mass in an accelerating car *

10Acceleration of a sliding two-block stack *

11Equilibrium ratio in a three-mass pulley system *

12Time for a falling ball to triple its kinetic energy *

13Maximum height off a ramp for a rolling ball *

14Sliding distance after an elastic collision *

15Height reached sliding onto a movable ramp *

16Final speed sliding off a movable ramp *

17Gravitational potential energy of a tetrahedron of masses *

18Force from a potential energy graph *

19Possible motion in a given potential *

20Total energy of a particle in a potential well *

21Scaling of a ball's gravitational self-energy *

22Direction a balloon leans in a turning car *

23Balancing forces in a branching water flow *

24Moment of inertia of a disk with a hole *

25New speed after circularizing an elliptical orbit *

USAPhO

PDF организаторовВсе заданияВсе решения

1Problem A1

2Problem A2

3Problem A3

4Problem A4

5Problem B1

6Problem B2