4. If the frequency of an electromagnetic wave is 600 000 000 Hz, what is its

wavelength?

How was Galileo curious and observant

At sea level, a box weighs 40 lbs. At the top of Mt. Everest, the same box will weigh: less than 40 lbs. more than 40 lbs. exactly 40 lbs.

What motivates you to learn physics?

Apply a force of 50N to the left describe the motion of the box

The fixed-time period inventory system has a smaller average inventory than the fixed-order quantity system because it must also protect against stockouts during the review period when inventory is checked. True or false?

Two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change

Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.

In which one of the following locations can a person hear the echo of a sound? a. At least 33.2 meters behind the reflecting surface b. Less than 16.6 meters in front of the reflecting surface c. Less than 33.2 meters behind the reflecting surface d.