Physics, 12.07.2019 23:00, girdwood6678

Two types of spiral galaxies exist. a normal spiral galaxy is one kind. which phrase best describes the second type of spieal galaxy? a. is football shaped b. is irregular shaped c. has arms that start close to the center d. has a bar through the middle from which arms extend

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 03:30, itsRyanPlayzMC9660

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

Answers: 1

continue

Physics, 22.06.2019 08:00, plshelpme53

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Answers: 2

continue

Physics, 22.06.2019 11:30, alexandroperez13

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Answers: 1

continue

Physics, 22.06.2019 11:30, ccamiloggonzales1234

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

Answers: 2

continue

Do you know the correct answer?

Two types of spiral galaxies exist. a normal spiral galaxy is one kind. which phrase best describes...