The left ventricle of the human heartexpels about 0.070 kg of oxygenated blood straight upward intothe ascending aorta with a force of 5.5 N. What is the accelerationof the blood as it enters the aorta?

Q: The density of ice is 917 kg/m³, and the density of sea water is 1025 kg/m3. A swimming polar bear…

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Q: An object with a mass of 0.44 kg is released from rest while immersed within a fluid. It reaches a…

A: Given that:Mass of object, m=0.44 kgLet the maximum speed is vmaxAt t'=0.406 sec,…

Q: Water sits in a large open jug at a height of 0.2m above the spigot. With what velocity will the…

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Q: In order to have enough water pressure to hold up a barefoot water skier, the boat needs to travel…

A: Here, Given equation is  :from this its clear :The starting speed, before any barefooter weight is…

Q: An object with a mass of 0.26 kg is released from rest while immersed within a fluid. It reaches a…

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Q: When rebuilding his car's engine, a physics major must continuously exert 4.02 ✕ 102 N of force to…

A: Given Data: The force applied is, F=4.02×102 N   The expression for the normal reaction force is,…

Q: An object with a mass of 0.32 kg is released from rest while immersed within a fluid. It reaches a…

A: Given: The mass of object is m=0.32 kg. The initial speed of object is u=0 m/s. The final speed of…

Q: Consider a doublefluid manometer attached to an air pipe shown in Fig. P2–58. If the specific…

A: Pressure above the red color 1-1 should be same in both left and right tubes.

Q: The force needed to maintain a constant velocity of 0.8 m/s on air track is found to be 0.005 N. The…

A: Given data: The velocity is v=0.8 m/s. The force is F=0.005 N. The area of the cart is A=0.05 m2.…

Q: The leaves of a tree lose water to the atmosphere via the process of transpiration. A particular…

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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Q: The plunger and the needle of a hypodermic syringe have areas of 0.5 cm2 and 0.0006 cm2 ,…

A: Given Area of plunger A = 0.5 cm2 = 0.5*10-4 m2 Force applied F = 5.5N

Q: Water flows steadily through the double elbow shown in Fig. 5. Water flows into the elbow from the…

A: Write the expression for the mass flow rate at section 1 and substitute the corresponding values.…

Q: It took a crew 1h 12min to row 1km upstream and back again. If the rate of flow of the stream was…

A: Motion in water:- If an object is moving through the water, its speed will either increase or…

Q: Calculate the absolute pressure, P1, of the manometer shown in Fig. P2–61 in kPa. The local…

A: The equation for the absolute pressure of the manometer is

Q: The density of ice is 917 kg/m³, and the density of sea water is 1025 kg/m³. A swimming polar bear…

A: Given data: The ice density, ρice=917 kg/m3 The density of the seawater, ρsea=1025 kg/m3 The volume,…

Q: Underwater, you can just barely lift a 75.0 kg rock (density 3.20 g/cm3 ). How massive a rock could…

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Q: stream of water gushes from an open pipe at an angle of 15o from the horizontal. If water comes out…

A: Dear student The range of projectile motion is basically the horizontal displacement and is given…

Q: | The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of…

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Q: The average blood pressure is 13,000 Pa at the heart. What average force does the blood exert on…

A: Pressure = Force/area  or force = Pressure * area Pressure = 13,000 pascal Area = 1 cm2 or 10-4m2.

Q: Because of plaque buildup in an artery there is an obstruction in blood flow as shown in the sketch.…

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Q: A man weighing 675 n is floating in fresh water with 2% of his body’s volume above the surface of…

A: Question: find the volume of the man’s body?

Q: You and some friends take a hot-air balloon ride. One friendis late, so the balloon floats a couple…

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Q: A rock attached to a spring scale is lowered into a container of water. The scale reads 9 N and the…

A: Given data:  The scale reading (T) = 9 N The buoyant force (Fb) = 2 N Required: The true weight of…

Q: ercury barometer at the base of the mountain reads 771 mm. At the same time, another barometer at…

A: reading at  base = Pbase = 771 mm =  771 x133.32 pascal  =102789.72 pascal reading at top = Pt = 436…

Q: The diameter of the trachea (windpipe) is about 18 mm.  What net force does the air experience…

A: So, the net force experienced by the air during inhalation is approximately…

Q: totally immersed in (a) water and (b) mercury (p = 13.6 g/cm). What will be the initial acceleration…

A: According to archemede's principle  Bouyant force = weight of liquid displaced

Q: The windows of an office building are 4.26 m by 5.26 m. On a stormy day, air is blowing at 28.0 mps…

A: Given:-  The windows of an office building are 4.26 m by 5.26 m.  air speed = 28 m/s   a window on…

Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: