1 mega second =________deca seconds.

1 day=_________seconds.

Define second.

1 year=______________seconds

A frequency of 1 Hz means _________ oscillations per second.

A body travels for 15 second starting from rest with constant acceleration. If it travels distances S_(1), S_(2) and S_(3) in the first five seconds, second five seconds and next five seconds respectively the relation between S_(1), S_(2) and S_(3) is

A stone is dropped from the top of a tower and one second later, a second stone is thrown vertically downward with a velocity 20 ms^-1 . The second stone will overtake the first after travelling a distance of (g=10 ms^-2)

Are there more microseconds in a second than the number of seconds in a year ?

Five bells in a church toll at interval of 12 seconds, 15 seconds, 20 seconds, 25 seconds and 45 seconds respectively. If all of them toll at 5 am. What time next, they will toll together?