An aluminum ball is subjected to a pressure of
The bulk strain is
What is the bulk modulus?
a.
b.
c.
d.
e.
b.
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Two objects collide and stick together. Which of the following is false?
A. momentum is conserved B. kinetic energy is lost C. kinetic energy is conserved D. momentum is lost
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 m. If the coefficient of kinetic friction between the sled and the surface is 0.20, what was the initial speed of the sled?
A) 9.8 m/s B) 6.3 m/s C) 3.6 m/s D) 7.2 m/s E) 8.9 m/s
A hockey puck moving at 8.0 m/s coasts to a halt in 75 m on a smooth ice surface. What is the coefficient of friction between the ice and the puck?
a. µ = 0.025 c. µ = 0.12 b. µ = 0.033 d. µ = 0.044
Two flat conductors are placed with their inner faces separated by 6.0 mm. If the surface charge density on one of the inner faces is 40 pC/m2, what is the magnitude of the electric potential differences between the two conductors?
a. 36 mV b. 18 mV c. 32 mV d. 27 mV e. 14 mV