What happens to the rate of most chemical reactions as the temperature decreases?
A) the rate of reaction drops rapidly
B) the rate of reaction drops only slightly
C) the rate of reaction increases rapidly
D) the rate of reaction stays the same
A
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Fluid Flow: For a certain patient, the build-up of fatty tissue on the wall of an artery has decreased the arterial radius by 10%. By how much would the pressure provided by the heart have to be increased to maintain a constant volume of blood flow? Model the blood as an ideal incompressible fluid.
A. 48% B. 52% C. 46% D. 54%
A cable is 100-m long and has a cross-sectional area of 1 mm2. A 1000-N force is applied to stretch the cable. The elastic modulus for the cable is 1.0 × 1011 N/m2. How far does it stretch?
A) 0.001 m B) 0.01 m C) 0.10 m D) 1.0 m E) 10 m
By what factor is the self-inductance of an air solenoid changed if only its number of coil turns, N, is multiplied by five?
a. 1/5 b. 5 c. 15 d. 25 e. 1/25
State Newton's Law of Universal Gravitation
What will be an ideal response?