Determine the mechanical energy of this object; a 1-kj ball rolls on the ground at 2m/s

a. the ball is on the ground, so the mechanical energy is zero

b. 2j

c. 1j

d. 4j

Explain why wet clothes that are hung on a washing line dry best

Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?

Which factors affect the resistance of a material? Check all that apply. length currer thickness temperature voltage

Exercise safety relies significantly on choosing clothing appropriate for both the type of exercise and the environment of your exercise. true or flase

A watermelon is dropped off of a 50 ft bridge, and it explodes upon impact with the ground. How fast was it traveling in mph upon impact?

An object weighing 1.840 kg has a volume of 0.0015 m3. What is the density of the object in g/cm3?

What is the purpose of cooking using sunlight?

Two planets of the same mass are observed. Which of the following distances between the two planets would result in the least gravitational attraction? A. 90 light years B. 80 light years C. 60 light years D. 50 light years

How would you make a structure stronger?

What object would absorb the most light