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An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. What is the electric field energy density at P
A uniform electric field of 2000 N/C is in a direction 600 from the x-axis. A charge of -1.20 mC starts from the origin O, calculate the potential at B and at the origin
Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth, What was the weight of the water in the tube
A beam of light is incident in air with an incident angle 56 degrees. calculate the index of refraction of this unknown liquid
An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 mT, What is the pitch of the resulting helical path
The magnetic field component of the electromagnetic wave is 15.0 microT. What is the magnetic energy density of the wave
While exercising, the following physiological changes occur for a certain person. His systolic pressure increases by 46 %. Which change has the strongest effect on blood flow
The heart requires a continuous flow of blood maintain normal function. The average length of the mid left anterior descending coronary artery is 11 cm, Calculate the decrease in pressure along this
An arteriole has a length of 1.25 mm and a radius of 21.9 ?m. The blood pressure drop along the arteriole is 1310 Pa. Calculate the resistance of the arteriole
A water heater pumps water from the basement of a house to a faucet 8.9 meters above. The main water pipe is 5.1 cm in diameter. Calculate the speed of the water as it leaves the pump
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the diameter of the nozzle
a revolving car wheel has a radius of 15m and a mass of 3 X 10^4 kg. what torque needs to be applied to stop the car wheel in 15 sec
Aluminum has a density of 2.70 g/cm3. We would like to make aluminum foil that is 96 micrometer thick, how many meters long of an aluminum foil can we make
A major artery has a cross sectional area of 1.07 cm^2. What is the average speed of blood flowing through the smaller arteries
A car is traveling at 85.1 km/h at this speed the car has a fuel efficiency of 14.5 km/L. What is the average flow rate of gasoline
A spring whose stiffness is 1000 N/m has a relaxed length of 0.49 m. what is the change in the potential energy of the spring
Consider two parallel-plate capacitors, C1 and C2, that are connected in parallel. The capacitors are identical except that C2 has a dielectric inserted between its plates. What is the final voltage
a 5.0 kg object is supported by an aluminum wire of length 2.6m and diameter 2.2mm. How much will the wire stretch
A wheel has a radius of 0.5 m. If the wheel rotates on its axis through an angel of 46 degrees, what distance does a point on the rim of the wheel move
A cannon is fired from the ground. The cannonball initially travels with a speed of 300 m/s at an angel of 25 degrees with respect to the ground, What is the cannonballs maximum height
the basis of the sweep circuit used in an oscilloscope. Switch S is an electronic switch that closes whenever the potential across the switch increases to a value Vc, find the time constant for char
The Hubble Telescope orbits the earth in a near circular orbit of about 585 km above the Earth's surface. find the magnitude of the centripetal acceleration of the satellite
Water flows at a rate of 26L/min through a horizontal 8.0 cm diameter pipe under a pressure of 9.2 PA. What is the pressure at this point
A box of mass 2.1 kg is on a horizontal surface. The coefficient of friction between the box and the surface is 0.32. Find the acceleration of the box
A person has a near point of NP = 85 cm and a far point of FP = 210 cm. Write a formula for the power, P1, of the upper portion of the bifocals, in terms of the given quantities, that will enable the