On the equator, days and nights are always 12 hours long, no matter what time of year
Indicate whether the statement is true or false
TRUE
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A monster turnip (assumed spherical) weighing in at 0.45 kg is dropped into a cauldron of water boiling at atmospheric pressure. If the initial temperature of the turnip is 17°C, how long does it take to reach 92°C at the center? Assume that
GIVEN
FIND
Time needed to reach 92°C at the center
ASSUMPTIONS
SKETCH
Einstein's equation E = mc2 states that when a particle loses energy, the result is an increase in mass of the particle
a. True b. False Indicate whether the statement is true or false
How have scientists been able to determine that Earth has a liquid metal outer core?
What will be an ideal response?
Two masses are being pulled up a 30.0 degrees incline by a force F parallel to the incline. The acceleration up the incline is 1.00 
and the velocity is up the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The coefficient of kinetic friction is 0.200. The tension in the string is
A. 2,660 N. B. 1,140 N. C. 980 N. D. 875 N. E. 633 N.