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A passenger on a boat moving at 1.20 m/s on a still lake walks up a flight of stairs at a speed of 0.50 m/s. The stairs are angled at 45° pointing in the direction of motion as shown. What is the velocity of the passenger relative to the water?
Magnitude (in m/s)
Direction (degrees) (above the water)
At this point, he throws a forward pass 45.0 yards straight downfield perpendicular to the line of scrimmage. Illustrate what is the magnitude of the football's resultant displacement?
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 53.90 diopters, How far is the blackboard from her eyes
There are two categories of ultraviolet light. Ultraviolet A ( UVA ) has a wavelength ranging from 320 nm to 400nm. What are the ranges of the wave numbers for UVB
A disk 1.0cm in diameter is located 2.5 m from a 100-W light bulb. The surface of the disk is a perfect reflector, Calculate the radiation force on the disk
Laser light of wavelength 6.30x10^2 nm is incident upon two narrow slits separated by 0.17 mm. how far apart are the interference fringes
A 74- kg ice hockey player standing on a frictionless sheet of ice throws a 6.2- kg bowling ball horizontally with a speed of 3.9 m/s. what speed does the hockey player recoil
Some sliding rocks approach the base of a hill with a speed of 18.0m/s. Find the acceleration of the rocks as they slide up the hill
A concentration difference of a certain solute of 1.0 Ã- 10â€"2 kg/m3 is maintained between the ends of a tube with a length of 3.5 m and a cross-sectional area of 0.25 m2. What is the diffusion constant for the solute
A series LR circuit with L = 20 mH and R = 2.0 k? is connected to a potential source of amplitude 5.0 V and angular frequency 200 rad/s. find the voltage across the resistor and the inductor
A screen is placed 1.40m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.60cm, What is the distance between the two second-order minima
A garden has a circular path of radius 50 m. You start at the easternmost point on this path, What is the magnitude of your displacement
Two bars of identical mass are at 34 °C. One is made from glass and the other from another substance. What is the specific heat capacity of the other substance
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