A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

Is the rate of change in velocity.

What are two important uses of petroleum

An identical metal sphere b has a charge of 2q. the magnitude of the electric force on b due to a is f. the magnitude of the electric force on a due to b must be

In any ecosystem, the size of a population A. may change over time. B. only depends on the population's reproductive rate. C. always stays the same. D. only depends on the amount of resources available.

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.

A spaceship takes off vertically from rest with an acceleration of 30.0 m/s 2. What magnitude of force F is exerted on a 53.0 kg astronaut during takeoff?

A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.

A small rock with mass 0.12 kg is fastened to a massless string with length 0.80 m to form a pendulum. The pendulum is swinging so as to make a maximum angle of 45 ∘ with the vertical. Air resistance is negligible. A.

What does the model below represent? 200 + 02 → 2002

Efficiency of a standard 60 W lightbulb