Energy absorbed by the pole
A 56 kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
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A car traveling 20.0 m/s when the driver sees a child standing on the road. She takes .80s to react, then steps on the brakes and slows at 7.0 m/s^2. How far does the car go before it stops?
A 1.0 cm times 1.0 cm parallel-plate capacitor has a 1.0 mm spacing. The electric field strength inside the capacitor is 1.1×105 V/m. What is the potential difference across the capacitor?
Suppose that the same pull is exerted at an angle above the horizontal. If this pull now does 65.0 {rm J} of work on the box while pulling it through the same distance, what angle does the force make with the horizontal?
A chair of weight 115 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 41.0 N directed at an angle of 39.0^circ below the horizontal and the chair slides along the floor. Using Newton's laws,
What frequency will be heard on the other train if the wind is blowing at 30.9 m/s toward the whistle and away from the listener?
What is the magnitude of the force a + 50 mC charge exerts on a - 0.05 C charge 70 mm away?
Discuss the differences between a data flow diagram and a document flowchart. They appear very similar so are they redundant? Why or why not?
Determine a method to improve your ability to self-disclose. If you are too quick to talk about yourself, discuss how you will learn to be more selective with your personal details.
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