Ecoststem with the harshest climate

The average speed of a train is 24.0km/hr. Suppose a train moving at this speed accelerates - 0.20 m/s^2 until it reaches a speed of 8.0 km/hr. How long does it take the train to undergo this change in speed?

In order to be considered a vector, a quantity must include what two components? A. Magnitude B. Length of Time C. Name D. Direction

Because there is very little friction, the lever is an extremely efficient simple machine. using a 90.0% efficient lever, what input work is required to lift a (n) 19.0 kg mass through a distance of 45 cm? 3232 incorrect: your answer is incorrect.

What is the definition of decibel

City A is located 380 km due West of City B. A car leaves City A at 92.0 km/h East, while at the same time, a truck leaves City B at 71.0 km/h West. How far from City A will they pass each other?

Which of the pollutants shown in Figure 4-2 are considered to contribute to the pollution problem known as acid precipitation?

A billiards ball B rests on a horizontal surface and is struck by another billiards ball A of the same mass m = 0.2 kg. Ball A is initially moving at 18 m/s and is deflected 28° from its original direction. Assume the collision is elastic.

A model rocket is fired vertically from the ground with a constant acceleration of 45.3 m/s2 for 1.46 s at which time its fuel is exhausted. What is the maximum height (in m) reached by the rocket?

A crude approximation for the x component of velocity in an incompressible laminar boundary layer is a linear variation from u = 0 at the surface (y = 0) to the freestream velocity, U, at the boundary-layer edge (y = δ).

Why did dad leave mom?