What two roles do forensic engineers play?

A railroad diesel engine coasting at 1.2 m/s runs into a stationary flatcar that has a mass of 1000 kg. The diesel weighs 5 times as much as the flatcar.

Does an electromagnetic waves speed affected by the changes in media?

A projectile is fired directly upward from the ground with an initial velocity of 112 f/sec its distance s above the ground after t seconds is given by s (t) = 112t-16t^2 At what time, in seconds, does the projectile achieve its maximum height?

The drawing below shows two different types of pulley systems designed to lift a weight. In pulley system A, the end of the rope must be pulled 10 cm downward in order to raise the weight 10 cm upward.

A small electric motor produces a force of 5 N that moves a remote-control car 5 m every second. How much power does the motor produce? Give your answer in watts and horsepower.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.