The work done by a non-conservative force is recoverable

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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The composition of a planet's atmosphere be measured during a transit by analyzing

A) the excess absorption of starlight at specific wavelengths. B) the excess emission of starlight at specific wavelengths. C) the length and depth of the dip in light during the transit. D) the amplitude and period of the star's motion. E) the wobble in a star's position on the sky.

Physics & Space Science

Which two temperature changes are equivalent?

A) 1 C° = 1 K B) 1 F° = 1 C° C) 1 K = 1 F° D) none of the above

Physics & Space Science

How large a force is necessary to stretch a 2.0-mm diameter copper wire (Y = 11 × 10^10 N/m2) by 1.0%?

a. 2.1 kN b. 3.5 kN c. 6.9 kN d. 11 kN e. 5.4 kN

Physics & Space Science

The figure shows a uniform rod (length L = 1.0 m, mass = 2.0 kg) suspended from a pivot a distance d = 0.25 m above its center of mass. The angular frequency (in rad/s) for small oscillations is approximately

?

?

a.
1.0.

b.
2.5.

c.
1.5.

d.
4.1.

e.
3.5.

Physics & Space Science