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The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.
The reflected sound is afterwards mixed with the transmitted sound, and 85 beats per second are detected. The speed of sound in body tissue is 1520m/s. compute the speed of the fetal heart wall at the instant this measurement is made.
A satellite is put in a circular orbit about Earth with a radius equal to 45% of the radius of the Moon's orbit. What is its period of revolution in lunar months
An m = 6.60-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, What is the direction of the third piece
A cylinder contains 2.25 mol of helium gas at 21.0°C. Assume that the helium behaves like an ideal gas. What is the average kinetic energy per molecule
An electron has a kinetic energy of 6.00 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.70 10-5 T. Determine the radius of the path
Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors
As a bacterium swims through water it propels itself with its flagella so as to overcome the frictional drag forces and move at, more or less, constant velocity of 100 micrometers/s for periods of time. If the frictional drag force on a bacterium is ..
A skier is accelerating down a 30.0° hill at a = 4.20 m/s^2. What is the vertical component of her acceleration
A ray of white light is incident on an Acrylic surface at an angleof 40 degrees. calculate the angel of refraction for the blue and redlight
A blue car with mass mc= 459 kg is moving east with a speed of vc= 20 m/s and collides with a purple truck with mass mt= 1246 kg that is moving south with a speed of vt= 10 m/s. find the magnitude of the initial momentum of the car
In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. What current does the wire carry
A 70Kg diver steps off a 10 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, decide average resistive force exerted on him by the water.
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