An unmanned spacecraft leaves for venus. which statements about the spacecraft's journey are true? a. the weight of the spacecraft keeps changing. b. the mass keeps changing c. the weight remains the same d. the mass remains the same e. the gravitational pull on the spacecraft remains the same

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

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?

If the new moon happens on january 15th, what shape will it be on february 6th?