Answer:
Step-by-step explanation:
(-3/4)x + 9 = (-1/2)x + 8
9 - 8 = (-1/2)x + (3/4)x
1 = (1/4)x
x = 4
y = (-3/4)4 + 9
y = -3 + 9
y = 6
Answer:
Answer attached
Step-by-step explanation:
Roberto has twice the mass his sister Mary has but runs at the same velocity as Mary. Will his kinetic energy be twice as much?
(Mary has a mass of 40 kg and sprints at 1 m/s)
Can someone help me with this (sorry I don’t have enough point for a question and no one has answered this and I’m confused)
