Dye penetrant is an effective method to detect _________cracks.
Fill in the blank(s) with the appropriate word(s).
surface
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An object of mass m with a certain initial speed on a horizontal surface comes to rest after traveling a distance of 10 m
If the coefficient of kinetic friction between the object and the horizontal surface is 0.20, what is the initial speed of the object? Use g = 10 m/s2. A) 9.8 m/s B) 6.3 m/s C) 3.6 m/s D) 7.2 m/s E) 8.9 m/s
A circular coil (radius = 0.40 m) has 160 turns and is in a uniform magnetic field. When the orientation of the coil is varied through all possible positions, the maximum torque on the coil by magnetic forces is 0.16 N ? m when the current in the coil is 4.0 mA. What is the magnitude of the magnetic field?
A. 0.37 T B. 1.6 T C. 0.50 T D. 1.2 T E. 2.5 T
Charge of uniform surface density (4.0 nC/m2) is distributed on a spherical surface (radius = 2.0 cm). What is the total electric flux through a concentric spherical surface with a radius of 4.0 cm?
a. 2.8 N × m2/C b. 1.7 N × m2/C c. 2.3 N × m2/C d. 4.0 N × m2/C e. 9.1 N × m2/C
A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 45.0 degrees above the horizontal. What is the range of the projectile?
A. 91.8 m B. 105 m C. 134 m D. 177 m E. 205 m