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Suppose that the Earth's orbit around the Sun is perfectly circular. At some instant in time the sun suddenly loses 1/4 of its mass (it just dissapears). Neglect the motion of the Sun.
a) Employing conservation arguments, find the value of the eccentricity e of the orbit.
b) Find the distance of closest approach (perihilion) of the new orbit in termsof the radius ro of the original circular orbit.
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach?
Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a frequency of 5.00 Hz. What is the frequency of the simple harmonic motion
Two parallel plates, each of area 7.00 cm^2, are seperated by 3.50 mm of water, What is the magnitude of the potential difference between the plates
A 10.4 m long steel beam is accidentally dropped by a construction crane from a height of 8.67 m. What is the induced EMF in the beam just before impact with the Earth
For the third circuit, consisting of a single battery and two light bulbs in parallel, how does the brightness of the bulbs compare to the first circuit, What is the current through each bulb
Suppose an electron starting from rest is accelerated in a uniform electric field directed horizontally and having a magnitude of 3000N/C . The electric field covers a region of space 12.5cm wide.
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
the international space station iss the mass is approximately 990000 pounds orbits the earth at an altitude of
If the mass of Jupiter is 1.8 x 10^27 kg, then find the escape velocity for an object launched from the surface of Jupiter
From 2 meters inside the water, a fish sees the Sun at an apparent angle of 60.0° above the horizontal. What is the actual elevation angle of the Sun
15. An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. find the density of the object
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
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