180, is the answer because when I had a question like that you have to add
Answer:
2000J
Step-by-step explanation:
mg=500
h(height)=4
500 x 4 = 2000J
28=2*2*7=2²*7;
46=2*23=>the greatest common factor is 2
About 7
because 5^2+5^2 is 50 and then you take the sq root of 50 which is about 7