What was the speed of the straw when it hit the tree
After a tornado, a 0.55-g straw was found embedded 2.8 cm into the trunk of a tree. If the average force exerted on the straw by the tree was 70 N, what was the speed of the straw when it hit the tree?
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A girl is standing at the edge of a cliff 201 m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed of 6.17 m/s. a)How long does it take the rock to hit the ground? b)What is the speed of th
For a damped oscillator with a mass of 170 g, a spring constant 140 N/m and a damping coefficient of 69 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 27 cycles?
An ocean liner leaves New York City and travels 17.0° north of east for 232 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions
Find the temperature (in Celsius) at a depth of 35.0 km (near the base of the crust). Ignore the heat generated by the presence of radioactive elements.
If the average force exerted on the straw by the tree was 70 N, what was the speed of the straw when it hit the tree?
David is driving a steady 28.0 {rm m/s} when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 {rm m/s^2} at the instant when David passes.
A 9300 kg boxcar traveling at 21 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 13 m/s. What is the mass of the second car?
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V maximum potential difference operating at 5000 rad/s?
Assuming the can to be a cylinder with a height of 12 cm and a diameter of 6.6 cm , find the net inward force exerted on the vertical sides of the can due to atmospheric pressure.
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