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Q. A 5 kg fish is swimming at a speed of 1ms swallows a 1kg fish swimming toward it at 4 m/s. The speed of the larger fish after lunch is what?
Q. A 1.52 kg bottle of vintage wine is lying horizontally in the rack shown in the drawing. The two surfaces on which the bottle rests are 90.0° apart, and the right surface makes an angle of 45° with respect to the ground. Each surface exerts a force on the bottle that is perpendicular to the surface. What is the magnitude of each of these forces?
The intersection is 15 m wide. Her car's maximum deceleration is -5.20 m/s2, whereas it can accelerate from 44km/h to 70km/h in 7.8 s. overlook lengths of her car and her reaction time.
A flight attendant pulls her 70.0N flight bag a distance of 244 m along a level airport floor at a constant speed. The force she exerts is 36N at an angle of 52° above the horizontal. Find the work she does on the flight bag.
What is final speed of the block
John, a 76-year-old grandfather, had been smoking heavily for 26 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How might this happen considering the natural cleaning mechanism of the ..
What was the average acceleration throughout the trip
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
A 55 year old woman who is complaining of intermittent flushing, itching and heartburn for several months. Mega dosing of that of the following vitamins may result in these symptoms.
A broad beam of light of wavelength 485nm is incident at 90° on a thin, wedge-shaped film with index of refraction 1.50. An observer intercepting the light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. By..
What is an average number of ozone molecule
In coming to a stop, car leaves skid marks 78 long on the highway. Assuming a deceleration of 7.1 estimate the speed of the car just before braking.
A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..
A hotel elevator ascends 140 {rm m} with a maximum speed of 4.59 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.93 {rm m/s^2}. How long does it take to make complete trip from bottom to top.
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