A metal sphere of radius 2.0 cm carries a charge of 3.0 ?C. What is the electric field 6.0 cm from the center of the sphere?
What will be an ideal response?
7.5 × 106 V/m
Physics & Space Science
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The velocity dispersion method can be used to find the _______________ of a galaxy
Fill in the blank(s) with correct word
Physics & Space Science
A machine that promises more energy output than input is
A) a fantasy. B) commonplace in today's technology. C) a long-shot worth investing in.
Physics & Space Science
The electron in a doubly ionized lithium atom experiences a weaker attractive force than the single electron in a hydrogen atom
Indicate whether the statement is true or false
Physics & Space Science
A hydraulic lift raises a 2000-kg automobile when a 500-N force is applied to the smaller piston. If the smaller piston has an area of 10 cm2, what is the cross-sectional area of the larger piston?
a. 40 cm2 b. 80 cm2 c. 196 cm2 d. 392 cm2 e. 160 cm2
Physics & Space Science