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The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10^8 km, and the earth travels around this orbit in 365 days.
A) What is the magnitude of the orbital velocity of the earth in m/s?
B) What is the radial acceleration of the earth toward the sun?
C) What is the magnitude of the orbital velocity of the planet Mercury (orbit radius = 5.79 x 10^7 km, orbital period = 88.0 days)?
D) What is the radial acceleration of the Mercury?
A current of 2.50 A passing through a heating coil immersed in 180 g of paraffin (specific heat capacity 2.00 jg^-1K^-1) raises the temperature from 5 c below room temperature to 5 c above room temperature in 100 seconds
a ball with mass 1kg is dropped from a height of 6m. the ball is caught by a person 2m above the ground. calculate the potential energy of the ball relative to the ground
In a particluar x-ray tube, an electron approaches the target moving at 1.95 ? 108 m/s. compute the final speed of the electron
A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.
A car starts from rest and accelerates at a rate of 2m/s^2 until it reaches the speed fo 30m/s. find number of revolution each wheel completes up to this point
A bullet, with an initial velocity of 300m/s and a mass of 5g, is fired into a block of wood. The bullet is brought to a stop at 5cm deep in the block of wood. Calculate the force the block of wood exerted on the bullet during this time
A school yard teeter-totter with a total length of 5.2m and a mass of 36kg is pivoted at its center. A 19 kg child sits on one end of the teeter-totter.
A car undergoes a displacement of 500m due east, followed by another displacement due south of 1200m. Calculate the total distance traversed by the car
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A uniform solid disk has a radius of R = 0.52 m and mass of M = 5.5 kg and is free to rotate about an axis through its center of mass. How many revolutions has the disk made at t = 8.2 seconds
A glass U-tube with a uniform diameter of 0.850 cm is used to determine the density of an oil. Calculate the density of the oil
find at least five internet or magazine articlesadvertisements which depict an exercise or health myth. why do you
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