Which waves require a medium for transmission

Electro negativity increases when atoms __. (Apex) CHECK ALL THAT APPLY (two answers) a. have a small atomic radius b. have a large atomic radius c. are located on the left on the per. table d. are located on the right on the per. table

How fast must a 70 kg student be running to have a kinetic energy of 568 J?!

A block of wood has density 0.50 g/cm3 and mass 1 500 g. it floats in a container of oil (the oil's density is 0.75 g/cm3). what volume of oil does the wood displace?

Compare and contrast mechanical and electromagnetic waves

Which material will displace a volume of water

3/129 A 175-lb pole vaulter carrying a uniform 16-ft, 10-lb pole approaches the jump with a velocity v and manages to barely clear the bar set at a height of 18 ft. As he clears the bar, his velocity and that of the pole are essentially zero.

A few years ago, Serena Williams dived to hit a tennis ball right after it bounced off the ground. The ball bounced on the ground 10.3 m from the net, and after Serena hit the ball it flew over the 0.

A force of 1.25x103N is required to lift an object that is under the influence of an acceleration due to gravity of 7.86ft/sec2. What is the object's mass in kilograms?

Which of these events is an example of the Doppler shift? The amplitude of a wave on a string increases as the frequency decreases. The amplitude of sound from a tuning fork decreases due to damping.

One disadvantage of this type of power is that it still pollutes the air. biomass geothermal power hydropower solar power You want to create a new warming appliance that is safe.