Answer:
288J
Step-by-step explanation:
recall the formula for kinetic energy
KE = (1/2) mv²
where m is the mass (= 4kg) and v is the velocity(=12 m/s)
hence
KE = (1/2) (4)(12)² = 288J
Sarah spent $1,083 because $57*38=$2,166 and $2,166/2=$1083
Answer: -3p^53q^3-5
Step-by-step explanation:
I believe 25 has to be added as
(x*5)^2 = x^2 + 10x + 25