If the period of a simple pendulum is t and you increase its length so that it is 4 times longer, what will the new period be?

a) t/4
b) t/2
c) 2t
d) 4t
e) it is unchanged.

Plzz worth 22 ! which statement about energy transformations is not true? a all forms of energy can be transformed into thermal b energy is never destroyed or created during transformations c potential chemical energy always transforms into kinetic d some thermal energy is always released during a transformation

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.