Acar, initially traveling at 15 meters per second
north, accelerates to 25 meters per second north
in 4.0 seconds. the magnitude of the average
acceleration is
(1) 2.5 m/s^2 (3) 10. m/s^2
(2) 6.3 m/s^2 (4) 20. m/s^2

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer