Starting from rest, a 2-kg body acquires a speed of 8 m/s in 2 seconds. The net force acting on the body is __________
Fill in the blank(s) with correct word
8 N
Physics & Space Science
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The halo stars in our Galaxy are bright, upper-main-sequence stars
Indicate whether the statement is true or false
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What is the resistance of a cylindrical metal rod 1.0 cm in diameter and 45 m long, if the resistivity of the metal is 1.4 × 10-8 ? ? m?
A) 0.0063 ? B) 0.0080 ? C) 0.80 ? D) 6.3 ?
Physics & Space Science
Why are the designs of the Hubble and Chandra Space Telescopes different?
What will be an ideal response?
Physics & Space Science
Both reflecting and refracting telescopes may use a lens called the eyepiece
Indicate whether the statement is true or false
Physics & Space Science