What is the speed of the water at the top of the falls
The height of a certain waterfall is 33.1 m. When the water reaches the bottom of the falls, its speed is 25.8 m/s. Neglecting air resistance, what is the speed of the water at the top of the falls?
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A 1820 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 42.5 m?
A 60-kg person drops from rest a distance of 1.20 m to a platform of negligible mass supported by a stiff spring. The platform drops 6 cm before the person comes to rest. What is the spring constant of the spring?
A capacitor is formed by placing a 20cm long charge carrier charged to +10nC placed 5cm away from and parallel to a 20cm long charge carrier charged to -10nC. Find the electric field at 1cm, 2cm, 3cm, and 4cm along the axis of symmetry.
In a container filled with gas at a constant temperature, the volume is 183 mL and the pressure is at 310 mm Hg. The desired new volume is 90.0 mL. What is the required new pressure?
A moving body undergoes uniform acceleration while travelling in a straight line between points X, Y and Z. The distances XY and YZ are both 40 m. The time to travel from X to Y is 12 s and from Y to Z is 6.0 s.
How did the Emancipation Proclamation, northern military successes, and actions by the slaves themselves combine to finally end slavery.
The portion of the nasal cavity contained within the flexible issues of the external nose
A 12.0 kg object oscillates at the end of a vertical spring that has a spring constant of 1.70 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m. Find the time interval that elapses while the ene
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