A runner weighing 70 kg, moving at a speed of 8.8 m/s, rounds a bend with a radius of 25 m. What is the centripetal force
needed to keep this runner on the curve?
a 250 N
b 100 N
C 217 N
d 158 N

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

A( developed during the process of technology design

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.