A horse travels 80 meters south in 20 seconds. What is its average velocity?

A. 4 m/s

B. 0.25 m/s

C. 4 m/s south

D. 0.25 m/s south

Suppose there is a sample of xenon in a rectangular container. The gas exerts a total force of 6.53 N perpendicular to one of the container walls, whose dimensions are 0.111 m by 0.221 m. Calculate the pressure of the sample.

Each metal is illuminated with 400 nm (3.10 eV) light. Rank the metals on the basis of the maximum kinetic energy of the emitted electrons. (If no electrons are emitted from a metal, the maximum kinetic energy is zero, so rank that metal as smallest.

Which sound is most likely the most intense? A whisper A rock concert Normal speech The sound of rain

Thermal conductivity is the property of a material that shows how well the material can conduct heat. The list below shows the thermal conductivities of some common materials. Conductivities of Common Materials copper 401 aluminum 237 glass 1.

What special day is when Massachusetts receives the most indirect rays of the sun? A. June solstice B. December solstice C. March Equinox D. September Equniox (this is science)

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

After the layers of sediment are deposited in one place, they are

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.

Why can we see our breath on a cold winter day