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Compute all parts of given question:
Question: Mary needs to row her boat across a 190-m wide river that is flowing to the east at a speed of 1.5m/s. Mary can row with a speed of 2.0m/s.
Part A: If Mary points her boat due north, how far from her intended landing spot will she be when she reaches the opposite shore?
Part B: What is her speed with respect to the shore?
Please give me an explanation for above question.
A ray of light passing through water struck the water glass interface making an angle 50 with the interface. find the angle of refraction of the light in glass
an isolated capacitor of unknown capacitance has been charged to a potential difference of 100v. when the charged
Your task in physics laboratory is to make a microscope from two lenses. One lens has a focal length of 2.0cm, the other 1.2cm. You plan to use the more powerful lens as the objective, and you want the eyepiece to be 18cm from the objective. What is ..
the outer wall of a building is constructed from concrete blocks. if the wall is 5.0 m long at 20 degrees celcius, How much shorter is it on a cold day
A hotel elevator ascends170m with a maximum speed of5.4m/s. How long does it take to make the complete trip from bottom to top
q1. a ball in flight is recorded and analyzed using digital video analysis software. the analysis produced the result
A rower can row at 3.77 m/s in still water. He wants to row directly across a river 252 wide with a constant current of 1.33 m/s. calculate how long will it take him to cross the river
Galaxy A is measured to be receding from us with a speed of 0.75c. Galaxy B, located in precisely the opposite direction, is found to be receding from us at a speed of 0.85c. a) What recessional speed would an observer on Galaxy A find for our galaxy..
Two polarizer's have their polarizing axis at 90 degree. Find what fraction of light passes through the three polarizers
The siren of a police car at rest emits a predominantfrequency of 1600 Hz and the police car is overtaking you from therear, at a speed of 200 km/h. what frequency do you hear initially
An automobile tire is rated to last for 35,000 miles. To an order of magnitude, find through how many revolutions will it turn
A 0.54 cm high object is placed 8.7 cm in front of a diverging lens whose focal length is -7.5 cm. What is the height of the image
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