Starting from rest, a car travels 1350 meters in 1.00 minute. It accelerated at 1.0 m/s2 until it reached its cruising speed. Then it drove the remaining distance at constant velocity. What was its cruising speed?


30 m/s

Physics & Space Science

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An atomic nucleus has a charge of +40e. What is the magnitude of the electric field at a distance of 1.0 m from the center of the nucleus?

(k = 1/4??0 = 8.99 × 109 N ? m2/C2, e = 1.60 × 10-19 C) A) 5.4 × 10-8 N/C B) 5.6 × 10-8 N/C C) 5.8 × 10-8 N/C D) 6.0 × 10-8 N/C E) 6.2 × 10-8 N/C

Physics & Space Science

Describe changes in atomic structure that accompany the making of neutron star

What will be an ideal response?

Physics & Space Science

Rocks solidified from molten material, either below or above ground, are classified as ______________ rocks

Fill in the blank(s) with correct word

Physics & Space Science

Lens-Maker Formula: A double-convex thin lens has radii of curvature of magnitude 46 cm, and it is made of glass of index of refraction 1.60. What is the focal length of this lens?

A. infinite B. 38 cm C. -30 cm D. 18 cm E. -19 cm

Physics & Space Science