A stunt car with a mass of 1,000 kilograms crashes into a tree on a movie set. During the collision, the acceleration of the car was 3 meters/second2. What was the force of impact of the collision on the car?

Why is hydrogen a light gas whereas iron is a heavy solid

Consider a toy rocket that undergoes one dimensional motion. It is launched from rest straight up from the ground and rises under constant acceleration for Δt1 seconds, where it loses power. It hits the earth Δt2 seconds later.

Which of the following is an accurate description of the relationship demonstrated in Ohm's Law? A. The electric potential (amperes) divided by the resistance (ohms) equals the current (volts). B.

Identify some common fuels

Flying against the wind, an airplane travels 2670 km in 3 hours. Flying with the wind, the same plane travels 11,070 km in 9 hours. What is the rate of the plane in still air and what is the rate of the wind?

Which best describes how heat energy moves within a system?

Biomaterials made with nanotechnology are currently used for organ repair, skin transplants, and cell growth. organ repair, quantum dots, and carriers. quantum dots, OLEDs, and carriers. cell growth, OLEDs, and skin transplants.

Green light has a lower frequency than blue light. Which color of light has a longer wavelength?

Our 12 V car battery does not appear to be functioning correctly, so we measure the voltage with a volt meter and find that the voltage on the battery is only 9V.

A strong lightning bolt transfers about 27.88 C to Earth. How many electrons are transferred? The elemental charge is 1.602 * 10-19 C. The lightning bolt discharge lasts one millisecond.