Answer: Swing twice as fast
Explanation: If superman wants to get a lot of kinetic energy he should swing fast. Kinetic energy is the energy of motion/movement so that means the more you do something fast the more KE you will get and if you do something twice as fast then you will gain more kinetic energy.
Answer:
13.5
Step-by-step explanation:
when you subtract a negative you add the positive of that number so the equation is 4.8+8.7 which equals 13.5
Answer:
C and D
Step-by-step explanation:
C and D are scaled copies because they increase/decrease the size of the image without distorting it's features.