The combining of two nuclei to form a larger nucleus with the release of energy is __________

Fill in the blank(s) with correct word


nuclear fusion

Physics & Space Science

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Seen from the northern latitudes, the star Polaris

a. is never above the horizon during the day. b. always sets directly in the west. c. is always above the northern horizon. d. is never visible during the winter. e. is the brightest star in the sky.

Physics & Space Science

A charged particle moves in a region of uniform magnetic field along a helical path (radius = 4.0 cm, pitch = 20 cm, period = 2.0 ms). What is the speed of the particle as it moves along this path?

a. 0.13 km/s b. 0.10 km/s c. 0.16 km/s d. 0.23 km/s e. 0.06 km/s

Physics & Space Science

A jet aircraft, in level flight at constant speed, is observed directly overhead. A sonic boom is heard 13.0 s later, at which time the line of sight to the aircraft forms a 51° angle with respect to the horizontal. The speed of sound is 325 m/s

The altitude of the aircraft is closest to A) 6700 m. B) 5400 m. C) 8300 m. D) 2700 m. E) 13,000 m.

Physics & Space Science

Consider a plot of the displacement (x) vs. applied force (F) for an ideal elastic spring. The slope of the curve would be

A) the spring constant. B) the reciprocal of the spring constant. C) the acceleration of gravity. D) the reciprocal of the acceleration of gravity. E) the reciprocal of the displacement.

Physics & Space Science