There are more giant elliptical than dwarf galaxies
Indicate whether the statement is true or false
FALSE
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Precipitation in the form of rain or snow can result
from a)the curving of wind direction by the Coriolis Effect. b)descending air due to vertical thermal circulations. c)air that is heated by solar insolation above its dew point. d)warm air flowing up and over cooler air where two air masses meet.
In the figure, a block of mass m is moving along the horizontal frictionless surface with a speed of 5.70 m/s
If the slope is 11.0° and the coefficient of kinetic friction between the block and the incline is 0.260, how far does the block travel up the incline? What will be an ideal response?
Three equal charges of magnitude + 4.00 ?C are placed at the corners of an equilateral triangle of side 2.00 cm. What is the electric field potential energy of the system of these charges?
A) 90.0 J B) 900 mJ C) 0 J D) 216 mJ E) 21.6 J
The law of conservation of momentum applies to a collision between two bodies since
a. they exert equal and opposite forces on each other. b. they exert forces on each other respectively proportional to their masses. c. they exert forces on each other respectively proportional to their velocities. d. they exert forces on each other respectively inversely proportional to their masses. e. their accelerations are proportional to their masses.