Stan is speeding in a silver sedan at 77 m/s when he suddenly sees a stopped police car 90 m in front of him. He immediately applies the brakes and slows to 38 m/s by the time he is next to the police car. Find: (a) the acceleration, (b) how much time elapses?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Idon’t quite understand this problem

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors