The light bulbs in an office building give off tremendous amounts of heat. Since heat is a form of energy, this heat could be trapped and used to offset our need for electricity, thus saving energy and money. True False

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.