Determine the time ball is in air
Suppose a ball rolls off a horizontal table and lands 1.5m out from the edge of the table. If the tabletop is 90cm above the floor, determine the time the ball is in the air.
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What must the charge of a 1.42 gram particle be for it to remain stationary when placed in a downward-directed electric field of magnitude 630 N/C ?
As an adult student, you may be challenged to satisfy multiple demands on your time and resources. How would you describe your current level of stress? What impact has stress had on your ability to perform in school and in life? What role does
The advertisement tells you that it can travel 1/4 mile in 20 seconds! Are you making a good decision? Is this a fast car? How do you arrive at your conclusion?
Twelve equal charges are situted in a circle with radius R, and they are equally spaced. What is the net force on a charge +Q at the centre of the circle?
How caloric needs change during each trimester of pregnancy. What changes occur in protein, vitamin, and mineral requirements? What are the possible consequences to the mother and infant if these changes are not met?
A constant push of 250 N is necessary to slide a crate weighing 400 N along a 2.0-meter-long ramp. If the ramp raises the crate 1.0 m, what is the efficiency of the ramp?
A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.60 m at a speed of 21.0 m/s. The string is pulled in and the speed of the rock increases. When the string is 1.00 m long and the speed of the rock is 51
An assumption made by the Bush administration in selecting this location was that it was beyond the jurisdiction of U.S. courts. The administration wanted to avoid any judicial oversight of how it handled detainees, characterized as "enemy combatants
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The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
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