Why will dropping an iron magnet on a concrete sidewalk make it a weaker magnet?

To measure the acceleration due to gravity on a distant planet, an astronaut hangs a 0.070-kg ball from the end of a wire. The wire has a length of 1.5 m and a linear density of 3.10 10-4 kg/m.

In Excel, you can sort a table by one or more columns by.

Joan is setting up an experiment in the lab to observe newton's second law of motion. she has a model car that has a mass of 45 kg, and it is accelerating at 7 m/s/s. she then increases the acceleration to 28 m/s/s.

Two balls have their centers 2.0 m apart. One ball has a mass of m1 = 7.9 kg. The other has a mass of m2 = 6.1 kg. What is the gravitational force between them? (Use G = 6.67 10-11 N · m2/kg2.)

How does a Rollercoaster show potential and kinetic energy

During the Pleistocene, a land bridge connected Alaska and Asia. What could have caused this bridge to from? the ending of an ice age the beginning of an ice age the erosion of the Alaskan coastline the erosion of the Asian coastline

A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.60 s after being shot.

Which of the following effects does low nitrogen availability most likely have on the carbon cycle? a. more carbon dioxide is taken up by plants b. carbon dioxide is trapped in the soil around plants c.

If the mass of an object is 300kg and the applied force is 3900N, calculate the acceleration

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them? A. from the hand to the cup B. from the cup to the hand C. from the cup to the surrounding air D.