Ablock of wood, which is 12.0 cm long, is dropped through an infrared sensor designed to measure the time that the sensor is blocked. assuming that this block of wood blocks the sensor for a time interval of 0.27 seconds, what is the speed of this block as it passes through the sensor? is this speed “average” or “instantaneous”?
can u me with this ?

It's because 3 if it was 10 it wouldn't look right do it goes up to 4d

It equals just about 6,300 km per hour each day an week

Ithink c because you have to work to become goid

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.