A healthy heart pumping at a rate of 72 beats per minute increases the speed of blood flow from 0 to 425 cm/s with each beat. Calculate the acceleration of the blood during this process.

Q: Below are 2 force vectors: the 2.0 Newton force is pointing 60° above the negative x-axis, and the 1...

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Q: A current-carrying wire is in a B-field and experiences a magnetic force (FB>0). The magnetic force ...

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Q: A pulley system made up of 3 pulleys, is used to lift a load of 10kg through a height of 50cm. If th...

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Q: A 45 kg man has a fever of 39.6 degree Celsius instead of the average human temperature of 37 degree...

A: Given data:- mass of the man m = 45 kg specific heat of water c = 4186 J/kg-°C (we know) final tempe...

Q: Iwo conductors are made of the same material and have the same length. Conductor A is a sol is a hol...

A: We know that the formula of the resistance is given as  R= ρLA ----- eq1  where R is the Resistance,...

Q: An air-filled parallel-plate capacitor has plates of area 2.80 cm separated by 1.80 mm. The capacito...

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Q: 8.24 • Block A in Fig. E8.24 has mass 1.00 kg, and block B has mass 3.00 kg. The blocks are forced t...

A: mA = 1 kg mB = 3 kg vB = 1.20 ms   

Q: A plane trying to land hits the ground at a speed of 100 m/s. If the acceleration of the plane is 5 ...

A: Given :- initial speed u= 100 m/s           Acceleration of plane a= 5 m/s2          Final speed v=0...

Q: The angular velocity of a point on a circle with radius of 13 feet is 14 pi radians per second. Find...

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Q: A 573 µF capacitor is discharged through a resistor, whereby its potential difference decreases from...

A: Given:C=573 μF=573*10-6 FVo=86.1 VV(t) = 16.1 Vt = 3.09 s

Q: An airplane releases a ball as it flies parallel to the ground at a height of ℎ=275 mh=275 m as show...

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Q: A basketball player standing under the hoop shoots the ball straight up with an initial velocity of ...

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Q: Consider a projectile that is launched at some initial speed Vo at some angle ? to the horizontal. D...

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Q: A solid conducting fly-wheel 1.6 m in diameter, is revolving on a horizontal axle which lies in the ...

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Q: Determine the magnitude of the gravitational acceleration of a 1200 kg satellite in geosynchronous o...

A: Given :  Mass of satellite = 1200 kg  Radius of earth = 6371 km Mass of earth = 5.972 ×10²⁴ kg

Q: 9) What is the total initial aceleration of a tether ball on a 2.0 m rope whose angular velocity cha...

A: Given  Length of rope, L = 2.0 m  Angular velocity, initial, wi = 13 rad/sec  Angular velocity, Fina...

Q: small vibrating object on the surface of a ripple tank is the source of waves of frequency 20 Hz and...

A: We are authorized to answer one Question at a time, since you have not mentioned which question you ...

Q: Consider a particle of mass m whose motion starts from rest under a constant gravitational force. If...

A: A particle of mass m whose motion starts from rest under a constant gravitational force. If a resist...

Q: The photoelectron ejected from N2 with a radiation of wavelength 58.43 nm has kinetic energy of 5.63...

A: Since, E=KE+IE where, E=Incident EnergyKE=Kinetic Energy=5.63 eVIE=Ionization Energy  

Q: how many feet per second (ft/sec)is a wave going if it travels a distance of 1 male in 7. 35 seconds...

A: Given that:- Distance(d)=1 miles=5280 ftTime(t)=7.35 secSpeed(S)=?

Q: Final answers should be in two decimal places only. Include proper substitution and cancellation of ...

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Q: K, and a generator of voltage V. Mark as true or false the following statements concerning the stor ...

A: We have to mark true or false for the given statements concerning the realtive phase of V, VL, Vr, V...

Q: 4. What is the EMF induced when the magnetic field changes from 2.5 T to 0.9 T in 12 seconds with a ...

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Q: why does the capacitance decreases when the distance between the plates are increased?

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Q: An ideal gas expands isothermally along AB and does 680 J of work. The process is illustrated in fig...

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Q: Two capacitors are connected in series between the terminals of a 20.0-V battery. If their capacitan...

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Q: .An 8-m long high-tension power line carries a current of 17.5A perpendicular to the earth's magneti...

A: Given data:  Length (L) = 8 m Current (I) = 17.5 A Angle (θ) = 90° Magnetic field (B) = 5.5×10-5 T R...

Q: L74. A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, then 3.50 km so...

A: The magnitude of the third leg is 2.807 km

Q: 3.) Scries and Para llel R, = 20 N 100V R. .50SL R3 = 30 r Ruy V. 3

A: R1 = 20 ohm R2 = 50 ohm R3 = 30 ohm V = 100 volts   

Q: . June and Miko are 21 years old when June leaves to travel in outer space. June's space ship travel...

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Q: ing Two resistors, R1 = 2.57 Q and R2 = 5.81 Q, are connected in series to a battery with an EMF of ...

A: Given: R1=2.57 ΩR2=5.81 Ω The emf of the battery is 24 V.  

Q: A rigid tank contains 1.40 moles of an ideal gas. Determine the number of moles of gas that must be ...

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Q: 1. Two point charges q; = -80 nC and q, = +50 nC are separated by a distance of 5.0 cm as shown. Cal...

A: The answer is below 

Q: Ariel (the mermaid) can swim at a top speed of 26m/s in calm water. a. Ariel is currently swimming a...

A: Since the Ariel problem or the problem 4 contains multiple subparts, we will solve first three only ...

Q: Three point charges lie on the x axis: q1 = 2.00 µC is at x = 0; q2 = 4.00 µC is at x = 2.00 m; q3 i...

A: Given  Charge q1 = 2.0 uC   at x = 0  Charge q2 = 4.0 uC at x = 2.0 m  Charge q3 = Q at x = 4.0 m  N...

Q: Five marathon runners are running at 2.36 m/s, 2.47 m/s, 2.61 m/s, 2.55 m/s, and 2.46 m/s respective...

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Q: A point on the rim of a wheel moves with a velocity of 95 feet per second. Find the angular velocity...

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Q: You have probably noticed that the lower the tire pressure, the larger the contact area between the ...

A: Since, it is known that:- P=FA where, P=Tyre PressureF=Force/ThrustA=Contact Area      

Q: Dong and Rigo are playing their slingshot, both of them shot a pebble vertically upward. Rigo shot a...

A: This question is based on Motion in a straight line topic. We need to know equations of motion to so...

Q: A patient with pneumonia has a temperature of 42.2 oC. What does this read on a Kelvin thermometer?

A: Given Temperature of the patient (TC) = 42.2 oC

Q: Consider the following figure. (Assume V = 31.0 V, R, = 2.00 N, and R, = 6.36 N.) R1 3.00N 4.00 N (a...

A: Given: The E.M.F. of battery V = 31.0 volt The first resistance R1=2.0 Ω The second resistance R2=6....

Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are ...

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Q: "hat is the rms speed of a molecule with an atomic mass of 26 if the tenperature is 63.9 degrees Cel...

A: Given Molar mass M = 26 g/mol =26 × 10-3 kg Temperature T = 63.9 oC = 273 + 63.9 =336.9 K 

Q: A baseball is thrown with an initial velocity of 100m/s at an angle of 40 degrees above horizontal. ...

A: Given in question - Initial velocity (v)= 100 m/s                                                 An...

Q: 6. In the figure shown. The X component of P is 893 N. Determine P and its Y component.

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Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal r...

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Q: Physics Subject A car is moving at uniform acceleration. Its velocity after traveling for 2 seconds...

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Q: 12.0 N 4.00 N W 5.00 N 6.00 Ω 8.00 Ω (a) Find the equivalent resistance between point a and b. 11.67...

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Q: Part A A charge 5.01 nC is placed at the origin of an xy-coordinate system, and a charge -2.00 nC is...

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Q: Identical charges qq = +5.00 μCμC are placed at opposite corners of a square that has sides of lengt...

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.