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In the thirteenth and fourteenth centuries the Chimú state expanded into neighboring valleys to

The Khazars’ capital became a crossroads for trade and cultural exchange, demonstrated in 861 by

Which of the following is an example of biometrics?

Claims rights or positive rights

Referring to the figure, the _____ energy of the skateboarder at point (i) is converted to _____ energy when he momentarily comes to rest at (f).  

A pendulum has 30 J of gravitational potential energy when it is released from rest. At a later time, its gravitational potential energy is 12 J. If you ignore friction, the pendulum must have _____ of kinetic energy at that instant.

A 72-kg bungee jumper plummets 54 m straight downward from a bridge. How much gravitational potential energy does she lose?

A hamburger’s energy content of 419,000 cal is equivalent to 100,000 J.

Work is one way of transferring energy to an object.

The Celsius temperature scale is defined such that molecular motion is at a minimum at zero degrees (0 °C).