At 3000 rpm (revolutions per minute), each intake valve would open and close 1500 times in one minute. This is because the intake valve opens once for every two revolutions of the engine, so at 3000 rpm, each valve would open 1500 times.
Approximately 15 times
Well, isn't that a happy little question! If you have 1 minute, and each minute has 60 seconds, you can fit 4 sets of 15 seconds in there. Just like painting a beautiful landscape, it's all about breaking things down into smaller, manageable parts.
24 times
60 times 24 = 1,440
42 times in one minute
Basically the circuit to the lamp opens and closes in a specific amount of times per minute. In some models this can be varied with a control circuit that allows the operator to set how many times the lamp is to flash per minute.
9 times per minute
On a school trip, we did an assignment on this. A clown fish, while stationary opens and closes its mouth 42 times in one minute, while the fish that swam, although not in view was averaged at about 63.
We blink 25 times in a minute.
2 to 10 times per minute!
it opens at 10:00 am
A goldfish's breathing rate can be determined by counting the amount of times the goldfish opens and closes its mouth within a set amount of time, ex. 92 breathes per minute.
104 times
A blue whales heart beats 9 times per minute.
20000 times per minute
yes the average human blinks 25 times a minute