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Determine the speed of the blood in the aorta? Suppose that the speed of sound in human body is around1540 m/s
Demonstrate the good rule of thumb for designing a simple magnetic coil? Particularly, given a circular coil of radius ~1cm, determine the estimated magnitude of the magnetic field, in gauss per amp
When the smallest time change which can be reliably detected is 1.0 s, determine the smallest change in average temperature which can be measured?
If the smallest time change which can be reliably detected is 1.0 s, determine the smallest change in average temperature which can be measured?
A resistor of 1.00 Ω is joined in series having a 10.0mH inductor, a 30V battery and an open switch. At time t-0, the switch is all of a sudden closed. a) Determine the maximum current in the
A long wire is identified to encompass a radius greater than 5.7 mm and to carry a current which is uniformly distributed over its cross section. The magnitude of magnetic field due to that current
Determine the next time after t = 3T/8 when the electric and magnetic energies again are equivalent?
Magnetic resonance imaging requires a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound having a single layer of 1.90-mm diameter superconducti
A rattle-back is a semi-ellipsoidal top that will spin on its axis in a preferred direction. However, when spun in the opposite direction, it becomes unstable. Explain why does the rattleback tend t
In a double slit experiment having two slits of width 1.0 um spaced 4um apart, assume a beam of protons is incident on the slits after being accelerated from rest via a potential difference of aroun
i) Knowing that the index refraction for water is around 1.33 and that the water level in the pool is precisely 4.0 meters, determine how far is the key from the edge of the pool? ii) Determine the
A typical Global Positioning System (GPS) satellite orbits at an altitude of 2.30 x 107 m. (i) Determine the orbital period of such a satellite.
(i) Determine the magnitude of the magnetic force on the electron. (ii) Repeat your computation for a proton having the similar velocity.
A cat of 5.74 kg is standing on a stationary cart of 12.5 kg. The cat then jumps from that cart to a close by initially stationary cart of 20.2 kg, landing on that cart. After the jump, the first ca
Determine the point (in cm) all along the straight line passing via the two charges at which the electric field is zero.
Determine the initial magnitude of the acceleration of the alpha particles due to this force? Note that the mass of the alpha particle is around 4.0026 u.
The coefficient of kinetic friction among rubber and dry concrete is usually 0.750. By using the work-energy principle, compute how far the car will travel before stopping?
To what radius would a star of mass 2.13 x 1030 kg have to be contracted for its escape speed to equivalent the speed of light? (Black holes have escape speeds greater than the speed of light; ther
Determine the difference in gravitational potential energy for Sputnik I as it moved from apogee to perigee. (Employ a positive sign for an increase, negative sign for a decrease in U.)
If a stone of 62 N is joined to a spring scale and is submerged in water, the spring scale reads 41 N. Determine the density of the stone?
A window washer is standing on the scaffold supported by a vertical rope at each end. The scaffold weighs 194 N and is 2.8 m long. Determine the tension in each rope if the worker of 702 N stands 1
In Jules vernes from the earth to the moon, scientists are launched from the earth through a cannon. With what speed would their capsule have to leave the cannon is their ultimate speed is zero at t
When the refracted ray emerges at the point P where the sphere intercepts the optical axis, determine the refractive index of the sphere?
A constant tangential force of 290 N exerted to its edge causes the wheel to encompass an angular acceleration of 1.094 rad/s2. (i) Determine the moment of inertia of the wheel?