A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one end of a straight stick lying flat on the ice. In this collision
A. momentum is conserved.
B. angular momentum is conserved.
C. energy is conserved.
D. all of the above are conserved.
E. only momentum and angular momentum are conserved.
Answer: D
You might also like to view...
Thermal Expansion: The coefficient of linear expansion of steel is 12 × 10-6 K-1. What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K from winter to summer?
A. 1.2 cm B. 1.4 cm C. 1.6 cm D. 1.8 cm E. 2.0 cm
Not counting antiparticles, how many different leptons are there?
A. 2 B. 4 C. 6 D. 8 E. 10
Hydrostatic equilibrium is the balance between ________ of a star and ________.
A. the size; energy production B. the internal pressure; gravity C. hydrogen fusion; temperature D. the internal pressure; energy production
An ac source of maximum voltage V0 = 30 V is connected to a resistor R = 50 ?, an inductor L = 0.6 H, and a capacitor C = 20 ?F
What is the maximum charge on the capacitor when the frequency of the source is set to the resonance frequency of the circuit? A) 1.0 mC B) 0 C) 2.1 mC D) 4.2 mC E) 8.4 mC