1) 1200 J is the amount of energy that a clothes iron transforms per second, asks:
(I) How many CALs are there ?, (II)
How many KWH are

2) One
Low consumption electric lamp has an efficiency of 30% to illuminate.
If the electrical energy used is 4,500 J, determine the value of the
missing energies.

electromagnetic waves travel through space with vacuums. give me brainliest if right.

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

a. vertically

explanation:

i tried it and took the test

if im wrong then we have different tests