Organic molecules can only be made by living things
Indicate whether the statement is true or false
FALSE
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A 1.15-kg beaker (including its contents) is placed on a vertical spring scale. When the system is sent into vertical vibrations, it obeys the equation y = (2.3 cm)cos(17.4 s-1 t)
What is the force constant (spring constant) of the spring scale, assuming it to be ideal?
A spacecraft can gain energy by passing near a planet
Indicate whether the statement is true or false
Measured ages of globular clusters suggests that the universe is about
a. 1.4 billion years b. 14 billion years c. 140 billion years old.
A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 4.00 m/s when the support string makes an angle of 30.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 85.3 degrees B. 71.2 degrees C. 60.3 degrees D. 56.7 degrees E. 45.0 degrees