(1) how much work is required to stop an electron
(m = 9.11 x 10-31 kg) which is moving with a speed
of 1.90 x 10 m/s?

carla slowed down in the beginning of her trip, stopped, and then sped up

i think the answer is a, hope this is right, that would be my best guess.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

the maxium height is 34m/s