A 1500-kg car accelerates from 0 to 25 m/s in 7.0 s with negligible friction and air resistance. What is the average power delivered by the engine? (1 hp = 746 W)
A) 50 hp
B) 60 hp
C) 70 hp
D) 80 hp
E) 90 hp
E
Physics & Space Science
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What will be an ideal response?
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C charges are placed along the x-axis, one charge at x = -10 cm, another at the origin, and the last one at x = 10 cm. What is the total potential energy of this arrangement?
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The rings of ____________ were discovered when they occulted a star
Fill in the blank(s) with correct word
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A given individual is unable to see objects clearly when they are beyond 100 cm. What focal length lens should be used to correct this problem?
a. ?100 cm b. ?33.3 cm c. ?20 cm d. 75 cm e. 100 cm
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