What did Alfred wegener notice about the outlines of the continents

A man walks backward on a bus. To a stationary observer, the bus moves east at a speed of 15 m/s. If the man moves 2.3 m/s west relative to the bus, what is his velocity in the frame of reference of a stationary observer?

You're investigating a subway accident in which a train derailed while rounding an unbanked curve of radius 150 m, and you're asked to estimate whether the train exceeded the 35-km/h speed limit for this curve.

What is the momentum of a 35-kilogram cart moving at a speed of 1.2 meters/second?

A 500 500500 - kg kgstart text, k, g, end text object is accelerating to the right at 10 cm / s 2 10 cm/s 2 10, start text, space, c, m, end text, slash, start text, s, end text, squared.

True or False? The dependent variable value changes according to changes in the other variables.

During a medical condition screening lung capacity testing is a standard procedure. True of false

Which of the following is a unit of energy found in food? a). vitamin b) calorie c) nutrient d) water

As one goes from left to right in a period, which of the following is true? A. The number of protons decreases. B. The number of valence electrons increases. C. both A and B D. none of the above

Which of the following surfaces reflects the most light A yellow cloth B. tree trunk C aluminum foil D. Concrete sidewalk

Which part of an atom has a mass approximately equal to 1/2000 of the mass of a common hydrogen atom? A. nucleus B. electron C. proton D. electron cloud