An amount $100 is deposited in a bank at a fixed annual interest rate compounded annually. At the end of a 2 year period the amount of money has doubled. About what was the annual interest rate?
a. 10%
b. 41%
c. 50%
d. 100%
e. 200%
B
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Initially proposed Hubble’s Law
A. Gerard de Vaucouleurs |
B. Georges Lemaître |
C. Hubble’s Law |
D. Edwin Hubble |
E. Velocity or Speed |
F. Ho |
Parallel-Plate Capacitor: A battery charges a parallel-plate capacitor fully and then is removed. The plates are then slowly pulled apart. What happens to the potential difference between the plates as they are being separated?
A. It increases. B. It decreases. C. It remains constant. D. It cannot be determined from the information given.
A 30-cm steel rod, 1.0 cm in diameter, supports a 300-kg mass. What is the change in length of the rod? Young's modulus for steel is 20 × 1010 N/m2
A) 5.6 × 10-5 m B) 6.5 × 10-5 m C) 5.6 × 10-6 m D) 6.5 × 10-6 m E) 6.5 × 10-4 m
Neptunium is an example of
a. A compound b. A solution c. An alloy d. An element