A 7000-W engine is propelling a speedboat at 30 km/h. What force is the engine exerting on the speedboat? What force is
water resistance exerting on the speedboat? What part of the
engine’s power is used to overcome this resistance?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)