Answer:
To measure motion, you must be able to compare it to a reference point, or a non moving point.
Answer:
A hybrid vehicle has components from both gas-powered and electric car. it has a gas engine and an electric motor. the exact way the two different engines drive the vehicle vary with different models. Other components of gas-powered car present include transmission and steering. But the braking system is usually similar to an electric car which is regenerative to recover the mechanical energy. The energy is stored in batteries just like an electric car.