A 7700-kg box car traveling at 14 m/s strikes a second car at rest. The two stick together and move off with a speed of 5.0 m/s. What is the mass of the second car?

Which process is a form of mechanical weathering? A. Oxidation B. Carbonation C. Exfoliation D. Hydration

How does kinetic energy affect the stooping distance of a small vehicle compared to a large vechile

An atom with 6 protons and 5 electrons would be what kind of atom? It's either 'Anion' or 'Cation'.

A drowsy cat spots a flowerpot that sails first up and then down past an open window. The pot was in view for a total of 0.51 s, and the top-to-bottom height of the window is 2.25 m. How high above the window top did the flowerpot go?

Which of the following is an example of a rotating body?

How can scientists know for sure that the cell theory is true? What evidence do we have to prove it

Two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other, holding tight thereafter. One is a robust 250 g beast initially moving south at 15.

A 50 kg child runs off a dock at 2.0 ms (horizontally) and lands in a waiting rowboat of mass 150 kg. At what speed does the rowboat move away from the dock?

A force of 15 N acts upon a 3 kg block. Calculate the acceleration of the object. Question 2 options: A. 75 m/s^2 B. 5 m/s^2 C. 45 m/s^2 D. 18 m/s^2

A resistance training system that is a variation of circuit training and that alternates upper body and lower body exercises throughout the circuit is called?