A weight of 450 N falls from rest. Suppose the resistance of the air is proportional to the speed and the limiting speed is 52.5 m/s. Use g=9.81 m/s?. The problem can be represented by y'+Av-B where v is the speed at any time. Then AB is ? (A) 1.83 (B) 2.34 c) 3.72 (D) 3.05
Q: The heart of a resting adult pumps blood at a rate of 4.04 L/min. (a) Convert this to cm/s. cm/s (b)…
A: (a) Convert this to cm3/s. 1 litre =1000cm3 and 1 min = 60 secsTherefore, 1L/min =1000 cm360…
Q: Electrons in the picture tube of an old-style television travel at 1.25 × 108 m/s. At this speed,…
A: Speed of electron "v"= 1.25× 10^⁸ m/s . Distance travel "d"= 11.5 Inches = 0.2921m
Q: 1. If you observe a photon of light with a wavelength A = 495 nm what is its frequency (use equation…
A: Given : Wavelength = 495 nm = 495*10-9 m
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A: The two trains, one moving north and the other moving south, are moving in opposite directions.…
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A: we have to find beats per minute in above question,so the solution of that question given in below…
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A: Step 1:
Q: Calculate viscosity of fluid μ with the help of formula μ = (2g rs2 (ρs-ρf))/9usØ where us= sinking…
A: Given, the average sinking velocity of 3 spheres is, us=70.04cm.sec-1 density of sphere,…
Q: Blood is flowing through an artery of radius 1.97 mm at a rate of 3.69 cm/s. Determine the blood…
A: Given Data: Radius (r) = 1.97 mm = 0.197 cm.Speed (v) = 3.69 cm/s. To Determine: The blood flow…
Q: Electrons in the picture tube of an old-style television travel at 1.25 x 108 m/s. At this speed,…
A:
Q: A cubic meter (m) of air weighs about 1.25 kg. A decent size classroom has a volume of roughly 800…
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A: Given data: Displacement (d) = 350 km, towards North Average velocity (v) = 75.0 km/h, towards…
Q: 5.- For A = 3î +ĵ-k, B = −î+ 2ĵ+ 5k and C = 2j - 3k, find a) C - (Ā – B), b) (Ā + C)xB
A: We need to find,
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A:
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Q: Starting with the equation Ek/mv² find an equation for (a) m and (b) v.
A: Formula Ek = mv².
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Q: Calculate the mass (in SI units) of a 1.9 lblb cockatoo. Express your answer with the appropriate…
A: Given data: Weight of cockatoo, W=1.9 lb Known data: Acceleration due to gravity, g=32 ft/s2
Q: Since neutron stars consist totally of neutrons, they are extremely massive and have a density that…
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Q: Suppose blood is pumped from the heart at a rate of 4.5 L/min into the aorta of radius 1.2 cm.…
A: Write the given values with the suitable variables. Q=4.5 L/min=4.5×10360 cm3/s=75 cm3/sr=1.2 cm…
Q: 7. A ring made of gold (atomic weight 196.967) has a mass of 4.00 g. How many gold atoms are in it?…
A:
Q: P2 = 50 Pa U, = ??? P1 = 200 Pa Ah =10 m U, = 10 m/s
A:
Q: The heart of a resting adult pumps blood at a rate of 5.00 L/min. (a) Convert this to cm/s. (b) What…
A: (a) Q=5 L/min=[5 Lmin.1000 cm31 L.1 min60 s]=83.33 cm3/s
Q: For mammals, resting heart rate scales as mass to the -1/4th power; that is, R is proportional to…
A:
Q: The heart of a resting adult pumps blood at a rate of 7.14 L/min. (a) Convert this to cm3/s. (b)…
A: Part A. 1 L/min=16.6667 cm3/s Therefore, 7.14 L/min=119 cm3/s
Q: heart of a resting adult pumps blood at a rate of 5.00 L/min. a. Convert this to cm^3/s.b. What is…
A:
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- An oil storage tank ruptures at time t = 0 and oil leaks from the tank at a rate of r(t) = 110e-0.02t liters per minute. How much oil leaks out during the first hour? (Round your answer to the nearest liter.) litersIf velocity =−12i + 21.5j m/s, how fast is it moving? (Express the answer to two significant figures).ΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔ Two vehicles Pictured below are 3.5 miles apart. D take them to meet - How long will it Ε give 15 mph - answer in seconds - Ε each 300 mph Μ
- The heart of a resting adult pumps blood at a rate of 6.94 L/min. (a) Convert this to cm3/s. (b) What is this rate in m3/s?The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. dimes would be in a stack of the same height? Each dime is 1.35 mm1.35 mm thick. number of dimes: Each dime has a mass of 2.268 g.2.268 g. How much would the stack of dimes from the previous question weigh? mass: g What is the value, in dollars, of the same stack of dimes? value: dollars The 2017 U.S. gross domestic product (GDP) was valued at 19,390,604,000 dollars.19,390,604,000 dollars. How many Statue of Liberty‑height stacks of dimes are needed to match the GDP in value? number of stacks:A stone is tossed into the air from ground level with an initial velocity of 30 m/s. Its height at time t is h(t) : 30t – 4.9t2 m. Compute the stone's average velocity ū in m/s over the time intervals [2, 2.01], [2,2.001], [2,2.0001] and [1.9999, 2], [1.999, 2], [1.99, 2]. (Use decimal notation. Give your answers to three decimal places.) Ū12,2.01] = m/s Ü12,2.001] = m/s U12,2.0001] = m/s