On Earth, the magnitude of the acceleration of a vertical projectile at its maximum height is equal to ______________
Fill in the blank(s) with correct word
g, or 9.8 m/s2
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The side of a cube is decreased by 6%. The percentage decrease of the volume of the cube is
A. 6%. B. 9%. C. 12%. D. 17%.
A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of What is the angle (assumed to be less than 90°) between the wrench handle and the direction of the applied force?
A) 18° B) 14° C) 22° D) 25°
Two ice skaters, one with a mass of 45 kg and the other with a mass of 60 kg, push off against one another starting from a stationary position. After they have pushed off, the relative speed at which they separate is 0.600 m/s. What is the speed of the 60-kg skater?
A) 0.343 m/s B) 0.257 m/s C) 0.375 m/s D) 0.750 m/s E) 0.225 m/s
A single circular (radius = R) loop of wire is located in the yz plane with its center at the origin. The loop has a clockwise current as seen from the point (+R, 0, 0). The direction of the magnetic field at the point
a. (0, 0, 0) is ?i and at the point (+R, 0, 0) is ?i. b. (0, 0, 0) is ?i and at the point (0, +2R, 0) is ?i. c. (0, 0, 0) is +i and at the point (+R, 0, 0) is +i. d. (0, 0, 0) is +i and at the point (0, +2R, 0) is +i. e. None of the above