True or false when matter changes state, its chemical properties change

The crew of an enemy spacecraft attempts to escape from your spacecraft by moving away from you at 0.259 of the speed of light. but all is not lost! you launch a space torpedo toward the foe at 0.349 of the speed of light with respect to you.

Which weather event is capable of destroying homes and uprooting trees due to a low pressure area at its center

You are standing on a scale in an elevator. suddenly you notice your weight decreases. what do you conclude? a. the elevator is accelerating downwards. b. the elevator is accelerating upwards. c. the elevator is moving at a constant velocity upwards.

How can you increase the ideal mechanical advantage of an inclined plane?

g Which of the following is true about magnetic field lines? A. All magnetic field lines are always parallel to the Earth's magnetic field. B. Magnetic field lines form closed loops and never intersect. C.

A cheetah can run at 30 m/s, but only for about 12s. How far will it run in that time

A car is traveling 80 km/h if the car's speed remains constant how far will it have traveled in 3 hours a. 3km b. 26.7km c. 80 km d. 240 km

True or False? Gases such as water vapor condense when they are * heated*.

If a chromosome on unfolds itself how is transcription enhanced

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.