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Compute each p[art of given question:
Question: A woman starts to swim directly across a 5.0-km-wide river. Her speed with respect to the water is 1.3 m/s. The river current carries the woman downstream at a speed of 0.91 m/s.
Part A: How much time does it take her to cross the river?
s
Part B: How far downstream will the river carry her by the time she reaches the other side of the river?
m
I don't know how to get that answer. Please help.
Two converging lenses are separated by 23.20 cm. The focal length of each lens is 12.20 cm. Determine the final image distance relative to the lens on the right
A curve in a highway has radius of curvature 120 m and is banked at 2.8°. what is the safest speed to go around the curve
An accident involved a 2000 kg truck that hit astationary 1000kg car stopped at a red light. The driver of Truckapplied his brakes 15m before he crashed into the car. After collision, the vehicles did not lock.
An electron is accelerated through a potential difference of 3 eV and is incident on a finite potential barrier of height 5 eV and thickness 5 x 10 * m. What is the probability that the electron will tunnel through the barrier? Show all steps.
The output piston of a hydraulic press has a cross-sectional area of 0.20 cm2. What force is applied to the input piston if that piston has a diameter of 5.0 cm
Large insects such as locusts can jump as far as 75cm horizontally a level surface. An entomologist analyzed a photograph and found that the insects launch angle was 55 degrees. What was the insect's initial velocity?
A moon orbits a planet of unknown mass with a period of 1.8 days. If the radius of the moon's orbit is 420,000,000 meters, find the mass of the planet
A 45kg figure skater is spinning on the toes of her skates at 1.2rev/s . Her arms are outstretched as far as they will go. What is her new rotation frequency, in revolutions per second
An LC circuit has capacitance C0 and inductance L. A second LC circuit has capacitance 1/2C0 and inductance 2L, and a third LC circuit has capacitance 2C0 and inductance 1/2L .
After completing the experiment with the single slit, you wish to determine the width of the slit. Recall that the wavelength of the laser light is 632.8 nm. If the distance from the central spot to the first minimum in intensity is 4.0 cm and the..
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 211 m, What are the acceleration of the green car
A person enter a tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 17.0 second. Find how tall is the tower
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