Untitled 2

# Untitled 2 - FSICA I_GPO 100(CCM.F1002.0813.100 >...

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FÍSICA I_GPO. 100 (CCM.F1002.0813.100) > CUESTIONARIOS DEL YOUNG > REVIEW ASSESSMENT: Y3 CINEMÁTICA 2D Y 3D Review Assessment: Y3 Cinemática 2D y 3D User Roberto Alejandro Cardenas Ovando Submitted 10/2/08 3:33 PM Name Y3 Cinemática 2D y 3D Status Completed Score 70 out of 100 points Instructions Question 1 10 out of 10 points A golf ball is hit so that it leaves the ground at 60° above the horizontal and feels no air resistance as it travels. Which of the following statements about the subsequent motion of this ball while it is in the air are true? (There may be more than one correct choice.) Selected Answer: Its acceleration is always 9.8 m/s 2 downward. Question 2 10 out of 10 points An object moves in a circle of radius R at constant speed with a period t . If you want to change only the period in order to cut the object's acceleration in half, the new period should be: Selected Answer: t Question 3 10 out of 10 points Figure 3.5a A projectile is fired at time t = 0.0s, from point 0 at the edge of a cliff, with initial velocity components of

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