What is the source of energy that allowed Vincent to move in an upward direction?

watch you tube or play clash royale, mainly clash royale

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

prndulum needs thread, weight clock to time swings

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.