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Edwin Hubble's discoveries in the 1920s led to the understanding that the Milky Way is not the only galaxy in the Universe. In a 2 to 3 paragraph essay, describe the five types of galaxies within Hubble classification system. Select one of the galaxy types and search online for an example. Include a picture of your example galaxy.
A hand grenade of total mass 6 kilogram explodes into three pieces each of 2 kilogram. Determine what speed does the third piece have
A 0.17 kg hockey puck has a velocity of 1.7 m/s toward the east (the +x direction) as it slides over the frictionless surface of an ice hockey rink. What are the (a) direction and (b) magnitude of the constant net force that must act on the puck thro..
what is the magnitude of the electric field at the point 3.20i - 2.25j 3.85k m if the electric potential is given by v
A 1.90-cm-high object is situated 12.8 cm in front of a concave mirror that has a radius of curvature of 10.4 cm, calculate the location and the height of the image
A 350 gram stone is swung in a circular path, on a 60 centimeter length of string and in a vertical plane. Obtain the tension in the string at the top of the circle
A pipe open at one end only has a fundamental frequency of 228 Hz. How many centimeters were cut off the end of the second pipe
Temperatures of gases inside the combustion chamber of a four stroke automobile engine can reach up to 1000°C. what flow rate would need to be supplied by the water pump
A 63kg person rides in a 30kg cart moving at 14m/s at the top of a hill that is in the shape of an arc of a circle with a radius of 30m. What is the apparent weight of the person as the cart passes over the top of the hill
Jill ( 60kg) is swinging on a rope swing that is 4m long, at what frequency does Jill need to pump her legs to get the swing going higher
A charge of 24.5uC is located at (4.40m, 6.22m), and a charge of-11.2uC is located at (-4.50m, 6.75m). What charge must be locatedat (2.23m, -3.31m) if the electric potential is to be zero at theorigin?
An electron passes during a magnetic field at right angles to the field at a velocity of 4.0 x 106 m/s. The strength of the magnetic field is 0.50 T. What is the magnitude of the force acting on the electron?
A 70 g ice cube can slide without friction up and down a 30° slope. The ice cube is pressed against a spring at the bottom of the slope, what distance will it travel up the slope
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