What describes an object travelling with uniform velocity?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

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?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2