Работа A
1Velocity graph of an object thrown up with air drag *
2Center of mass speed in an elastic collision *
3True statements about an elastic collision, except one *
4Best impulse timing to raise a satellite's energy *
5Direction an inclined plane accelerates *
6Speed of a crate pushed up a ramp *
7Shortest time to travel a distance with bounded acceleration *
8Speed of a point on a disk rolling inside a hoop *
9Normal force on a stick lifted by one end *
10Acceleration graph of an object thrown up with air drag *
11Oscillation frequency after cutting a spring in half *
12Uncertainty in g from a pendulum experiment *
13Young's modulus of a tightrope cable *
14Period ratio of a triple pendulum in two directions *
15Kinetic energy change of a decaying satellite orbit *
16Astronaut's jump path on a rotating space station *
17Shape of a sand stream from a turning helicopter *
18Tension difference at top and bottom of a vertical circle *
19Scaling of pressure from falling raindrops *
20Potential energy of a spring cut in half *
21Time for a spinning ball to roll without slipping *
22Water flow rate into a sinking boat *
23Rotational acceleration of a ball versus ramp angle *
24Period change of a pendulum with increasing energy *
25Comparing uncertainty in combined pendulum measurements *
Работа B
26Acceleration graph of falling clay hitting the ground *
27Energy dissipated by friction on an incline *
28Kinetic energy after a perfectly inelastic collision *
29Conserved quantities in a basketball bounce *
30Ratio of spin-up to spin-down acceleration for a disk *
31Scaling of beam deflection with length *
32Best shaking frequency to grow a pendulum's swing *
33Rotational velocity graph of a sliding, spinning ball *
34Possible outcomes of an elastic ball collision *
35Buoyant force on a balloon at increasing depth *
36Transverse wave speed on a faster-spinning rope *
37Ball's trajectory seen from a rotating space station *
38Force to slide a block off a stacked block *
39Pull angle for a spool to slip without rotating *
40Scale reading while lifting a textbook *
41Engine power and angle of attack in a tailwind *
42Maximum speed of a pogo stick after landing *
43Equivalent spring constant of two springs in parallel *
44Uncertainty in a measured speed of sound *
45Maximum pull before a string slips off a table *
46Pivot position for the fastest bar oscillation *
47Motion of the second mass in a pulley pair *
48Timing of a rotating two-mass system *
49Gravitational pull from a hemispherical shell *
50Best way to reduce uncertainty in a wire's surface area *
1Problem A1
2Problem A2
3Problem A3
4Problem B1
5Problem B2
6Problem B3