A child sits 1.6 m from the center of a merry go round that makes one complete revolution in 4.7 s What is his angular acceleration? 1.6 rad/s2 3.2 rad/s2 2.7 rad/s2 O 2.0 rad/s²
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- 2. What is the trigonometrical relationship between vector and its' horizontal and vertical components?the vector some of 80 N in the -x direction and 30 N at an angle of 53 with the +x axis is ...... NDetermine F1 and the angle of Theta. If the magnitude of the resultant force acting on the eyebolt is 800N and its direction measured clockwise from the positive x axis theta=30.
- The figure shows an engine block with a mass of 250 kg suspended by ropes connected to a central ring at A. What is the tension (force) in the AB rope?6. The reading on the vernier caliber is: a. 1.05 cm b. 4.46 cm c. 1.06 cm d. 4.48 cm 7. For the force diagram 1 14 0 1,46 5 2 H cm scale 10 Vernier sca87. How much work is done by the external upward force? * O a. 392 J O b. 49 J O c. 1960 J O d. zero
- Determine the horizontal component of a 10.20-N force, applied 17 degrees below the horizontal The act of combining several vectors yields a new vector (capable of replacing the original ones with the same effect) called a : A. Sum B. Equilibrant C. Resultant D. Total What is not useful in characterizing a vector? A. Unit B. Angle C. Direction D. MagnitudeQuestion 4The tension is wrong