The ____________________ of a radioactive substance is the amount of time for the substance to be reduced by half
Fill in the blank(s) with correct word
half-life
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The mass of an apple on the Earth is 0.2 kg. On the Moon, the mass of the same apple would be
A. greater than zero but less than 0.2 kg. B. greater than 0.2 kg. C. 0.2 kg. D. zero.
Which quantum characteristic(s) would quantum computers exploit in order to achieve great computational power with only a few individual quantum elements or "qubits"?
A) Magnetic resonance. B) Uncertainty. C) Entanglement. D) Wave packets. E) Both uncertainty and entanglement.
A car is traveling at 26.0 m/s when the driver suddenly applies the brakes, causing the car to slow down with constant acceleration
The car comes to a stop in a distance of 120 m. How fast was the car moving when it was 60.0 m past the point where the brakes were applied? A) 22.5 m/s B) 18.4 m/s C) 15.0 m/s D) 12.1 m/s E) 9.20 m/s
A large spring requires a force of 100 N to compress it only 0.010 m. What is the spring constant of the spring?
a. 1.0 N/m c. 10,000 N/m b. 100 N/m d. 100,000 N/m