Forces and their effects

Exercises and problems about forces and their effects on systems: movements and deformations.

  • (#3600)   Seleccionar

    Speed of a car 0001

    A car is moving in a straight path at 3 600 meters during 90 seconds. Determine the speed of the car, expressed in km/h.

  • (#3583)   Seleccionar

    Acceleration of a car 0001

    A car is increasing its speed from 40 m/s to 70 m/s. What is its acceleration if the time needed was 3 seconds?

  • (#3567)   Seleccionar

    Distance covered by a car 0001

    If the speed of a car is 75 km/h. How long does it take the car to cover a distance of 75 km?

  • (#3494)   Seleccionar

    Speed of blood 0001

    The speed of blood flow is 30 cm/s. Considering a vein as a straight path, how many time will take blood to cover 30 cm?

  • (#3165)   Seleccionar

    Velocity of light 0001

    There are 150 000 000 km between the Sun and the Earth. If the velocity of light in vacuum is 300 000 km/s, how long light takes to reach the Earth?