Suppose m=12.7 kg and m =9.85 g. the length of the rod connecting the small spheres is 52.4 cm. when the distance between the cen-ters of the large and small spheres is 10.8 cm, find (a) the gravitational force between a large sphere and the nearbysmall sphere, and (b) the torque on the rod

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Could someone . i have tried to solve myself but my calculation is off

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?