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Question: An airplane is flying at an altitude of 2500m above the ground when it sees a stranded on a an island 4000m away. If a pilot lets go of a rescue package and it lands on the island, how fast was the plane traveling? what was the final velocity of the package right before it hit the ground?
A golfer tees off on level ground, giving the ball an initial speed of 38.5 m/s and an initial direction of 36.0° above the horizontal. (a) How far from the golfer does the ball land? (Neglect air resistance.)
A starship lands on a planet of mass 6*10^23 kg. An astronaut throws a rock of mass 9.5 kg up from the ground at 17 m/s. what is the gravitational acceleration on the rock
An atom of mass 3.32*10^(-26)kg oscillates in one dimension at a frequency of 10^13Hz, calculate the quantized energy levels
The disk would slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction.
q1. two diodes and a resistor are placed in a single loop circuit connected to an ac generator. the diodes are
In a mass-spring system, the mass of the object is 80g and the spring constant is 200N/m. What is the period of oscillataions for this system
A diving board oscillates with simple harmonic motion of frequency 2.10 cycles per second what is the highest amplitude with which the end of the board can vibrate in order that a pebble placed there would not lose contact with the board all throu..
A block with mass mA = 11.0kg on a smooth horizontal surface is connected by a thin cord that passes over a pulley to a second block with mass mB = 6.0kg which hangs vertically
A medicine ball is thrown at Bob (who is standing still). The medicine ball weighs 6kg and Bob weighs 82.50 kg. What was the velocity of Bob and the ball after the catch
Find out the magnitude of the acceleration of the electron. How large is the pulling force it the wagon is moving with a constant speed.
If the human aorta has a cross-sectional area of 2.5 cm2 and the flow speed of blood in the aorta is 30 cm/s while the density of blood is 1.05 g/cm3. Calculate the mass flow rate of blood (in g/s) in the aorta
A man at point A directs his rowboat due north toward point B, straight across a river of width 100 m. While the man is crossing the river, what is his velocity relative to the shore
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