A 20 kg mass with an initial velocity of 10 m/s slides to a stop in 2 meters. What is the net work down on the mass? a.) 250 J b.) 500 J c.) 120 J d.) 20 J e.) None of the above

What is the best way to show forces

If a guitar string vibrates 20 times each second, what is its frequency?

Using local acceleration of gravity data from the Internet, de - termine the weight, in N, of a person whose mass is 80 kg living in: a. Mexico City, Mexico b. Cape Town, South Africa c. Tokyo, Japan d. Chicago, IL e. Copenhagen, Denmark

He cans have essentially the same size, shape, and mass. which can has more energy at the bottom of the ramp? ignore friction and air resistance. the cans have essentially the same size, shape, and mass.

An uncharged conductor has a hollow cavity inside of it. Within this cavity there is a charge of + 10 µC that does not touch the conductor. There are no other charges in the vicinity. Which statement about this conductor is true?

A professor sits on a rotating stool that is spinning at 10.0 rpm while she holds a heavy weight in each of her hands. Her outstretched hands are 0.785 m from the axis of rotation, which passes through her head into the center of the stool.

If an injury is caused by impact from an object alone, is this considered a caught-in or - between incident? Select the best option No, this is a struck-by incident Yes No, this type of incident is undefined

Even though animals can communicate with each other to a limited extent, no animal can express itself through: A : motions B : noises C : speech D : instinct

1. a. What is the name of the 2d Century Roman Scientist and Astrologer who created a set of "Handy Tables of data to compute the position of the Sun, moon and stars?

What are the primary colors of light