If a wrecking ball of 100 kg speeds up from 2 m/s to 4 m/s, a.) how many times greater would the kinetic energy output be? b.) What is the KE at 4 m/s?

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?

Which answer choice is it? is it the first ,second,third or fourth giving 40 points for whoever answers correctly you