That would depend on the mass of the marble.
49 miles = 78.9 kilometres so 49 miles per hour = 78.9 km per hour.
Divide the distance by the speed to get the answer. 784 miles divided by 55 miles per hour equals 14.2545 hours, or about 14 hours and 15 minutes.
35 mph = 0.0156464 kilometers per second.
Depends on the weight of the vehicle.
It woulds take 0.1216 hrs. or ( 7 mins. 30 sec. ) to travel that distance, using those parameters.
In flight Distance it is 993 miles/1,598 km if you are travling in 3 days
Roughly 240 miles. See related links for driving directions.239 miles from Blackpool to London Marble Arch
260 miles
Marble Arch
It's a 4.1km (2.6 miles) walk.
Force is mass X acceleration. means that the speed miles its = to miles.
It can be. Hitting your head at 15 m/hr can hurt quite a bit. It is about the same force as landing on your head after falling from a tall staircase. Potentially lethal