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In Mexico, a courageous diver runs horizontally off the edge of a sea side cliff 48.8 m above the sea (about six stories high). Her speed at the edge is 2.50 m/s.
(A) The diver does not know that there are dangerous rocks at the base of the cliff, so that the edge of the water is actually 7.00 m away from the cliff's base.(Oh no!) Does she hit the water, or the rocks? (Assume a straight, vertical cliff.)
(B) Calculate her speed and direction angle of her velocity as she hits the water(or rocks).
A speedboat increases its speed uniformly from v1 = 20 m/s to vf = 25 m/s in a distance of 2.40 102 m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors.
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What was the take-off speed? If this speed were increased by just 5.0%, explain how much longer would the jump be?
Consider a fully charged 25.0- ? F capacitor, a 66.7- ? resistor, and an 30.0-mH inductor connected in a simple, What is the angular frequency of the underdamped electrical oscillation in this circuit
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Three point charges are located on the positive x-axis of a coordinate system. Charge q1 = 2.0 nCis 2.0 cm from the origin, What is the net force
calculate the net percent value of these costs and benefits of an information system. Also calculate the overall return on investment of the project and then percent a break even analysis.
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
An ideal gas at 11.7 °C and a pressure of 2.42 x 105 Pa occupies a volume of 3.84 m3. How many moles of gas are present
The pilot of an airplane travelling 170 wants to drop supplies to flood victims isolated on a patch of land 200 below. The supplies must be dropped how many seconds before the plane is directly overhead.
Determine the maximum speed that the car. A boy riding on the back of the truck throws a can of soda upward and catches the projectile at the similar location on the truck bed.
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