Physics
Physics, 06.08.2019 22:30, vickybarba025

Which describes an electromagnetic wave?
a longitudinal wave that can travel through matter or empty space
a transverse wave consisting of changing electric fields and changing magnetic fields
a transverse wave consisting of electric fields and magnetic fields traveling through matter
a longitudinal wave that travels through solids, liquids, and gases

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 20:30, 173899
Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc
Answers: 3
image
Physics, 22.06.2019 17:00, AnNguyen
How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
Answers: 1
image
Physics, 22.06.2019 18:30, hannahkharel2
Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s
Answers: 1
image
Physics, 23.06.2019 05:20, krisbarnett5353
6. an article, which costs rs. 850 is sold at a profit of 6%.what is the selling price ? -a) rs.900 b) rs. 901 c) rs. 890 d) rs. 905
Answers: 1
Do you know the correct answer?
Which describes an electromagnetic wave?
a longitudinal wave that can travel through matter or...

Questions in other subjects: