A 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. What is the minimum distance, on the other side of the pivot, such that a 220-N force will make the child lift off the ground?
A) 2.4 m B) 0.10 m C) 1.5 m D) 9.8 m E) 1.0 m
E
You might also like to view...
Why do stars in the central bulge have a lower metallicity than stars in the disk?
What will be an ideal response?
Lens-Maker Formula: A double convex lens has faces with radii of magnitudes 18.0 cm and 20.0 cm. When an object is placed 24.0 cm in front of the lens, a real image is formed 32.0 cm from the lens.(a) What is the focal length of this lens?(b) What is the index of refraction of the material from which the lens is made?
Fill in the blank(s) with the appropriate word(s).
Why is visible light a bad choice for studying the core of the Galaxy? What is better?
What will be an ideal response?
The fact that we cannot travel faster than the speed of light means that it is theoretically impossible for us to make trips to distant stars within our lifetimes
Indicate whether the statement is true or false