Suppose that 2 j of work are needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. how much work (in j) is needed to stretch it from 35 cm to 40 cm?

As a rocket is accelerating vertically upward at 92 m/s^2 near the Earth's surface, it releases a projectile. Immediately after release the acceleration (in m/s^2) of the projectile is: A) 9.8 down. B) 9.8 up C) 9.

How does your body's flexibility naturally change as you age? Your flexibility increases. Your flexibility decreases. Your flexibility stays the same. Your flexibility increases in some muscle groups.

How can the same material bend in one situation but break in another

To be a healthy family, which of the statements below is TRUE: A. Family members need to be perfect. B. Family members must include a mom, dad, and children. C. Family members try to work out differences together. D.

How many significant figures is in 15,600

Is it legal in Florida for a math teacher forces the kids to do push ups?

Acceleration is best defined as the rate of change of blank of an object

Zirconium has an atomic number of 40. How many neutrons are there in an isotope of zirconium-92?

If a glass is knocked off of a table that is 1.4m tall, how long does it take for the glass to hit the ground?

Imagine riding On a merry-go-round at the center. As you walk to the outer edge, the merry-go-round slows in order to conserve angular momentum. True or false?