Please helppp A 4 kg object is moving 2 m/s to the right. A 6 N force
pushes to the left for 3 seconds.
A. Calculate Pnetforce
B. Calculate the impulse.
C. What is Ap for this object?
D. What is its final momentum (p.)?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?