A 3kg book falls from a shelf. If it lands with a speed of 4.8 m/s, from what height did it fall? A. 28.8 m, B. 1.2 m, C. 0.6 m, D. 14.1 m

The earth's layers can also be classified according to their rheology, based on their ability to deform and flow. This is especially important in the upper mantle when describing the relationship between the lithosphere and the asthenosphere.

The density of an object is how much matter it contains. a. True b. False

A 40 kg boy jumps off the side of the pool. when he hits the water, he is traveling 3 m/s. how much kinetic energy does he have right before he hits the water

Energy that does not involve the large-scale motion or the position of objects in a system is called a. potential energy. b. mechanical energy. c. nonmechanical energy. d. conserved energy.

If this 1300 kg car is driven at 27 m/s through the bottom of a circular dip in the road that has a radius of 600 m, by how much do these springs compress compared to when the car is driven on a flat road

A wheelbarrow is an example of what type of lever

Why is it necessary to evaluate an experiment

A positive charge Q1 = 34 nC is located at the origin. A negative charge Q2 = - 5.5 nC is located on the positive x-axis p = 15 cm from the origin. Calculate the location of x axis in cm where electric field is.

What scientific question does Isaac Asimov most clearly address with his story "Runaround"? A. Should robots be allowed to marry? B, should robots be treated as members of the family? C. Can robots be trained to follow a moral code? D.

The force generated by a single muscle fiber can be increased by increasing is called