Amarble started at rest from the top of a ramp .the ramp measures a total of 54 cm and it took 1.4 s for the marble to roll to the bottom of the ramp. what was the acceleration of the marble ?

What is a possible result of higher air temperature caused by global warming

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?

Two technicians are discussing a starter that clicks repeatedly when the key is turned to the crank position. technician a says the solenoid hold-in winding is open. technician b says the solenoid pull-in winding is open. who is correct?