assesment 1

• what is a vector quantity

  a quantity with magnitude and direction
• what is a scalar quantity

  a quantity with a magnitude only
• what is a typical speed for walking

  1.5m/s
• whats a typical speed for running

  3m/s
• whats a typical speed for cycling

  6m/s
• whats the formula for speed

  speed = distance divided by time
• what does stationary look like on a graph

  flat line gradient 0
• what is velocity

  speed and direction
• what does fast look like on a graph

  its steeper and faster (slope up)
• what does constant speed look like on a graph

  straight slope (diagonal)
• what does acceleration look like on a graph

  curve with increasing gradient
• what does deceleration look like on a graph?

  curve with decreasing gradient
• how do u calculate speed if line is curved?

  tangent first then calculate
• how do u calculate the instantaneous speed

  calculate gradient
• what are some examples of scalar quantities

  mass, time, temperature, density, distance, speed
• what are some examples of vector quantities

  velocity, acceleration, weight, force, displacement
• what is the ESAU method?


  Equation

  Substitute

  Answer

  Units
• what is the formula for average speed


  average speed= total distance / total time
• what is displacment

  distance moved in a particular direction