The chassis of Formula 1 race cars is now made from
(a) High-strength steel
(b) High-strength aluminum
(c) High-strength polymers
(d) Graphite-fiber-reinforced epoxy
(d) Graphite-fiber-reinforced epoxy
You might also like to view...
A planar cross section through two spherical waves emanating from the sources S1 and S2 in the plane is shown in the figure. S1 and S2 are in phase. The black circles are one and two wavelengths from their respective sources. The lighter circles are one-half and one-and-a-half wavelengths distant from their respective sources. If the waves shown
arriving at P1 both arrive with amplitude A, the resultant amplitude at point P1 is
?
?
a.
0.
b.
.
c.
A.
d.
When steam condenses to water, energy is
A) absorbed. B) released. C) conserved as the phase change occurs. D) transformed to a different form.
A 2-kg ball is moving with a constant speed of 5 m/s in a horizontal circle whose radius is 50 cm. What is the magnitude of the net force on the ball?
A) 0 N B) 20 N C) 40 N D) 50 N E) 100 N
The Kelvin form of the second law of thermodynamics states that
A. an engine can take heat from a single reservoir and convert it all to work B. no engine can take heat from a single reservoir and convert it all to work C. an engine can have a greater efficiency than a Carnot engine