For a metal to be drawn into shape, it must have a high
(a) Tensile strength
(b) Yield strength
(c) Strain-hardening rate
(d) Ductility
(c) Strain-hardening rate
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A 100-V DC signal is applied to a series circuit composed of four equal resistors 10 ? each. What is the voltage across each resistor?
A) 10 V B) 15 V C) 20 V D) 25 V E) 50 V
As ocean currents carry warm water from equatorial regions northward, lands bordering the ocean are warmed. A prime example of such warming is the
A) Doldrums. B) Coriolis force. C) Gulf Stream. D) Horse latitudes.
A 10-kg block on a rough horizontal surface is attached to a light spring (force constant = 1.4 kN/m). The block is pulled 8.0 cm to the right from its equilibrium position and released from rest. The frictional force between the block and surface has a magnitude of 30 N. What is the kinetic energy of the block as it passes through its equilibrium position?
a. 4.5 J b. 2.1 J c. 6.9 J d. 6.6 J e. 4.9 J
What factors would determine that we live in a matter-dominated universe?
What will be an ideal response?