2. What is the kinetic energy of an 80 kg football player running at 8m/s? * O A. 2560J
O B. 320J
O C. 2560 W
O D.320 W
HEL

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

f=ma a/f/m a= 480/60 a = 8m/s/s that is quick wow

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

i believe the answer is a hope it and is correct