300-nm light has a lower frequency than 500-nm light
a. True
b. False
Indicate whether the statement is true or false
False
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A monel shell (Em 5 170 GPa, d3 5 12 mm, d2 5 8 mm) encloses a brass core (Eb 5 96 GPa, d1 5 6 mm). Initially, both shell and core have a length of 100 mm. A load P is applied to both shell and core through a cap plate. The load P required to compress both shell and core by 0.10 mm is approximately:
(A) 10.2 kN
(B) 13.4 kN
(C) 18.5 kN
(D) 21.0 kN
The choices describe four hypothetical planets. Which one would you expect to have the hottest interior? (Assume the planets orbit a star just like the Sun and that they are all the same age as the planets in our solar system.)
A) Size: twice as big as Earth Distance from Sun: same as Mercury Rotation rate: once every 6 months B) Size: same as the Moon Distance from Sun: same as Mars Rotation rate: once every 10 days C) Size: same as Mars Distance from Sun: same as Earth Rotation rate: once every 18 hours D) Size: same as Venus Distance from Sun: same as Mars Rotation rate: once every 25 hours
A futuristic design for a car is to have a large solid disk-shaped flywheel within the car storing kinetic energy. The uniform flywheel has mass 370 kg with a radius of 0.500 m and can rotate up to 230 rev/s
Assuming all of this stored kinetic energy could be transferred to the linear velocity of the 1600-kg\ car, find the maximum attainable speed of the car.
A circuit breaker connects two parts of a circuit if the current flowing in the circuit is too large
What will be an ideal response?