Why are the oldest parts of the ocean floor no older than about 200 million years

What is the velocity of a freely falling object 5 seconds after being dropped? After 6 seconds?

A 5.00 kilogram mass is travelling at 100 meters per second. Determine the speed of the mass after an impulse with a magnitude of 30.0 newton seconds is applied.

Which type of energy conversion takes place when a lightbulb is turned on? Electromagnetic energy is converted into potential energy. Thermal potential energy is converted into electric energy.

Gravitational pull must be measured in units of

Time-outs are ineffective because a. an adult uses a timer to make sure that the time-out is age appropriate. b. the adult wins the power struggle. c. the child quietly sits until the timer goes off. d.

What is the term for the basic unit of electric current? The basic unit of electric current is the.

When a sailboat overtakes a powerboat, which vessel is the stand-on vessel?

Both matter and energy can eneter and exit which of the following systems? A. open only B. both open and closed C. isolated only D. both closed and isolated

1. Find the charge if the number of electrons is 4 x 10-18

Which of the following describes resistance force?