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The moon is at a mean distance Dm = 3.84 x 10^5km from the earth; the sun is at a mean distance Ds = 1.496 x 10^8km. The radius of the moon is Rm = 1.74x10^3km; the radius of the sun is Rs = 6.96 x10^5km. Compute the angular diameter in degrees subtended by the sun and the moon. You can Refer to a figure online for help. Compute the solid angle subtended by the sun and the moon. Which appears larger from the Earth, and by what percentage do the two soling angles differ? If the above values were constant, would it be possible to explain the occurrence of total solar eclipses?
An object of mass 48.0 g is initially placed in boiling water so that it is at 105° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
A space probe is fired as a projectile from the Earth's surface with an initial speed of 1.78 x 10^4 m/s. What will its speed be when it is very far from the Earth
A Ferris wheel with a radius of 7.7 m rotates at a constant rate, completing one revolution every 37 s, Find the direction and magnitude of a passenger's acceleration when at the bottom of the Ferris wheel
Four solid plastic cylinders all have radius 2.75 cm and length 6.42 cm. Find the charge of each cylinder given the following additional information about each one.
In a fast-pitch softball game the pitcher is impressive to watch, Determine the angle of the total acceleration relative to the radial direction
What type of weather front will be responsible for the following weather forecast? "Cool today with rain becoming heavy by this afternoon. Slightly warmer tomorrow. "Winds south easterly becoming westerly to north westerly by the tomorrow morning."
Find the average magnitude of the induced emf if the change. The magnitude of the charge on a parallel plate capacitor is 4uC and the potential difference between the plates is 80V. What is the capacitance of this capacitor.
A radio station broadcasts with a power of 50,000 watts. Estimate the average intensity of the wave at a distance of 50 km from the radio transmitting antenna
In a material having an index of refraction n , a light ray has frequency f, wavelength ?, and speed v. What is the frequency of this light in vacuum and in a material having refractive index n1
a 6000 kg struck moving at 75 km/hr hits a stopped 3000kg car. they lock bumpers and skip to a stop. find the speed of the truck and car system
A prehistoic bug (m=0.02kg) has escaped into the moder world. how fast (and in what direction) is the ubg traveling after the collision
A concave shaving mirror has a radius of curvature of 40.1 cm. How far is the mirror from the man's face
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