Acar designer is designing a new model of a popular car. he wants to use the same engine as in the old model, but improve the new cars acceleration. use newton second law to explain how to improve the car's acceleration without redesigning the engine

After the near spacecraft passed mathilde, on several occasions rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid eros, the final destination for the mission. after getting close to eros, further small adjustments made the momentum just right to give a circular orbit of radius 45 km (45 × 10^3 m) around the asteroid. so much propellant had been used that the final mass of the spacecraft while in circular orbit around eros was only 545 kg. the spacecraft took 1.04 days to make one complete circular orbit around eros. calculate what the mass of eros must be.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

What are the north and south poles of a solenoid change with?