Answer:
it should be 490 joules
Step-by-step explanation:
9.8m/s^2
10kg * 9.8 * 3m
10kg*9.8*5m
11
subtract 9 to both sides
(x-9)(x-3), because -9 and -3 make a sum of -12 and a product of +27
Answer:
19,200 cm^2.
Step-by-step explanation:
The area = 1.2 * 1.6 = 1.92 m^2.
There are 100 cm to 1 meter, so 1 square meter = 100^2 = 10,000 cm^2.
Therefore 1.92 m^2 = 10,000 * 1.92 = 19,200 cm^2.