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A basketball player shoots a 0.75-kg ball into a basket by shooting the ball with an initial speed of 12 m/s at an angle of 60 above the horizontal. The basket is three meters o the ground and the ball leaves her hand at a height of 1.4 meters above the ground.
1. How far away from directly under the basket is the player standing?
2. What is the velocity of the ball when it goes into the basket? (In vector notation form)
Suppose electrons in a TV tube are accelerated through a potential difference of 2.00 104 V from the heated cathode, At what speed would the electrons impact the phosphors on the screen
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The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm . You plan to tighten the plugs by pulling on the end of a 30-cm-long wrench. With what force must you pull
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