At noon, ship A is 45 miles due west of ship

B. Ship A is sailing south at 5 mph while ship

B is sailing north at 15 mph.

At what speed is the distance between the

ships changing at 3:00 pm?

How do you verify a scientific hypothesis?

Which parts of the eye allow light to pass through them? Check all that apply. A. sclera B. cornea C. iris D. lens E. pupil F. vitreous humor

Matter behaving like a wave rather than like a particle is best illustrated by which phenomenon?

Which is thought to be most responsible for Earth's ice ages? A. Earth's tilt B. Earth's precession C. The gulf stream D. The jet stream

If you were going to invent a new way to power your mobile phone, which type of electromagnetic wave would be most useful to investigate? A. Radio waves, because they are high energy and common. B. Gamma rays, because they are strong and safe. C.

In an experiment, 108 J of work was done on a closed system. During this phase of the experiment, 79 J of heat energy was added to the system. What was the total change in the internal energy of the system?

Which of the following force fields will deflect electron beams? Magnetic Electrical Gravitational

Which movement of the Earth cause day and night?

What's the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms? 3 m/s 5 m/s 7 m/s 8 m/s 10 m/s

Um atleta correu 400 metros em 80 segundos. Qual é sua velocidade média?