Change.
Acceleration means going faster
Answer:
308657
Explanation:
hdoeokeosksjdhdiopejjdhfnfndjdieej i doont know pl
Question 18: a
question 19: b
question 20: c
Answer:it is 343 meter per second in air.
Explanation:
it is 5 times more in liquids than in gases and 15 times more in solids than in gases.In air it is affected by various physical conditions such as pressure,humidity and temperature.
1 horsepower is equal to 746 W, so the power of the engine is

The power is also defined as the energy E per unit of time t:

Where the energy corresponds to the work done by the engine, which is

. Re-arranging the formula, we can calculate the time t needed to do this amount of work: