Speed is defined as the distance over time. So in measuring the speed of a car, the most manual thing that we can do besides using a speedometer is to measure a certain distance then measure the time at which the car passes that distance then divide the distance over the time. Then determine the speed limit.
Answer:
The magnetic flux through the coil is greatest when the plane of its area is perpendicular to the magnetic field
Explanation: from the formula magnetic flux @= BScos∆
At perpendicular ∆ will be zero making cos∆ =1
Answer:
Explanation:
We have the following data:
- distance covered by the child: d = 2 m (length of the slide)
- time taken to cover this distance: t = 3 s
- initial velocity of the child: 0 m/s (he starts from rest)
So we can find the acceleration by using the equation:
Where a is the acceleration.
Substituting the values and solving for a,
Answer:
basic quantity. s.I unit. equipment
length M or Cm . metre rule
mass. Kg or G. spring/weight balance
time. Seconds. clock/stopwatch
Temperature. kelvin/celcius thermometer
volume. L/Ml/Cl. measuring cylinder
Answer:
the product of mass and velocity
....in my syllabus