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A swimmer swims in still water at a speed of 5.90 m/s. He intends to swim directly across a river that has a downstream current of 3.17 m/s.
a. What must the swimmer's direction be?
b. What is the velocity relative to the bank?
An athlete whirls a 7.49 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. What is the centripetal acceleration of the hammer
How much work is needed to push a 132- kg packing crate a distance of 2.35 m up an inclined plane that makes an angle of 26 o with the horizontal, when inclined plane is frictionless
A 1.00 uF capacitor is connected in parallel with a 2.00 uF capacitor. The 1.00 uF capacitor carries a charge of +10.0 uC on one plate, Find the equivalent capacitance of the two capacitors
A projectile is fired in such a way that its horizontal range is equal to 14 times its maximum height. What is the angle of projection
A 68-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.11. What would be the magnitude of acceleration.
A runner is running the first heat of a100 m race at a velocity of 6.9 m/s in an easterly direction. What is the relative velocity of the runner to the wind
The donor paid gift tax of $14,000 on the transfer. If Laura later sells the property for $110,000, illustrate what is her recognized gain or loss?
The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F.
A coin placed on a turntable rotating at 34.1 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation, What is the coefficient of friction between the coin and turntable
A train is travelling up a 3.2 degree incline at a speed of 3.55 m/s as the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
A charge of 3.45 µC is uniformly distributed on a ring of radius 9.5 cm. Find the electric field strength on the axis at the following locations. (a) 1.2 cm from the center of the ring N/C (b) 3.1 cm from the center of the ring N/C (c) 4.0 m from ..
A cubic crystal with interatomic spacing of 0.24 nm is used to select gamma rays of energy 100 keV from a radioactive source containing a continuum of energies. at what angle do the 100 keV gamma rays appear
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