A bus travels 20 KM and 30 minutes what is average speed of the bus

What is a hologram and on what physics principle is it based

What kind of cases were brought against Russell dunmore?

What are waves that require a medium to propagate known as? A. transverse waves B. mechanical waves C. circular waves D. electromagnetic waves

A proton, moving with a velocity of vii⁄, collides elastically with another proton that is initially at rest.

The energy supplied to a speaker is increased. What will happen to the sound the speaker produces? A) The sound will be lower pitch. B) The sound will become a high pitched squeal. C) The sound will be louder or greater amplitude.

What do you call a drug that increases speed

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.