A fountain sends water to a height of 100 meters. What must be the pressurization (above atmospheric) of the water system? 1 atm= 1.01 × 105 N/m2.
A. 1.0 atm
B. 4.2 atm
C. 7.2 atm
D. 9.7 atm
E. 8.2 atm
Answer: D
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A steel ball bearing of mass m1 and speed of magnitude v1 has a head-on elastic collision with a steel ball bearing of mass m2 at rest. Rank the speed v1 of m1 relative to v2, the magnitude of the speed of m2, after the collision when i) m1>m2; ii) m1 = m2; and iii) m1
A. v1v2; v1>v2
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An electron (m = 9.1 × 10^?31 kg) has a speed of 0.90c. What is the difference between its relativistic momentum and its non-relativistic momentum (in kg m/s)?
a. 4.3 × 10^?22 b. 3.2 × 10^?22 c. 5.4 × 10^?22 d. 6.5 × 10^?22 e. 2.5 × 10^?22
Information on the distribution of disease gives clues about the ____________________ of disease.
What will be an ideal response?