You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm.The pressure on your left palm is __________ the pressure on your right palm
Fill in the blank(s) with correct word
one half
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Mahmood is farsighted and cannot see objects clearly that are closer to his eye than 80.0 cm. What is the focal length of the contact lenses that will enable him to comfortably see objects at a distance of 25.0 cm from his eyes?
A) +36.4 cm B) -36.4 cm C) -21.2 cm D) +21.2 cm E) +32.5 cm
Refracting Telescope: The length of a telescope is 1.60 m and it has a magnification of 60.0. What is the focal length of the eyepiece?
A. 2.62 cm B. 60.0 cm C. 100 cm D. 1.16 cm E. 96.0 cm
Newton's Second Law of Motion tells us that the net force applied to an object equals its ________
A) mass times velocity B) mass times acceleration C) mass times energy D) momentum times velocity
To recharge a 12-V battery, a battery charger must move 3.6 × 10^5 C of charge from the negative to the positive terminal. What amount of work is done by the battery charger? How many kilowatt hours is this?