A convenient method to write very large numbers is to use scientific notation
a. True
b. False
Indicate whether the statement is true or false
True
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Mass on a Spring: An object attached to an ideal spring executes simple harmonic motion. If you want to double its total energy, you could
A. double the amplitude of vibration. B. double the force constant (spring constant) of the spring. C. double both the amplitude and force constant (spring constant). D. double the mass. E. double both the mass and amplitude of vibration.
Newton's Second Law of Motion tells us that the net force applied to an object equals its
A) mass multiplied by acceleration. B) mass multiplied by energy. C) momentum multiplied by velocity. D) mass multiplied by velocity.
How much heat must be removed from 456 g of water at 25.0°C to change it into ice at -10.0°C? The specific heat of ice is 2090 J/(kg?K) and the latent heat of fusion of water is 33.5 × 104 J/kg
A) 105 kJ B) 153 kJ C) 57.3 kJ D) 47.7 kJ E) 210 kJ
When a car is braked to a stop, its kinetic energy is transformed into
a. stopping energy b. potential energy c. heat energy d. energy of motion