Suppose an equation relating position, x, to time, t, is given by x = bt3 + ct4, where b and c are constants. The dimensions of b and c are respectively:
a. T3, T4.
c. L/T3, L/T4.
b. 1/T3, 1/T4.
d. L2×T3, L2×T4.
C
Physics & Space Science
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Young's Modulus: A cable is 100-m long and has a cross-sectional area of 1.0 mm2. A 1000-N force is applied to stretch the cable. Young's modulus for the cable is 1.0 × 1011 N/m2. How far does the cable stretch?
A. 0.010 m B. 0.10 m C. 1.0 m D. 10 m
Physics & Space Science
A hoop of radius 0.50 m and a mass of 0.20 kg is released from rest and allowed to roll down an inclined plane. How fast is it moving after dropping a vertical distance of 3.0 m?
A) 7.7 m/s B) 6.2 m/s C) 5.4 m/s D) 3.8 m/s E) 2.2 m/s
Physics & Space Science
1,000,000,000,000 bulls is equal to ______.
A. Tbull B. Mbull C. Gbull D. Pbull
Physics & Space Science
The S.I. unit used in expressing magnetic field strength is the ________.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science