A book has a mass of 5 lb what is the mass of the book in kg

Which of the following will attract one another? A. The north pole of magnet and the south pole of another magnet B. The north pole of a magnet and the north pole of another magnet C. The south pole of a magnet and the south pole of another magnet D.

A bicycle rider has a speed of 19.0 m/s at a height of 55.0 m above sea level when he begins coasting down hill. The mass of the rider and his bike is 88.0 kg. Sea level is the zero level for measuring gravitational potential energy.

What happens to the atomic number of an atom when the number of neutrons in the nucleus of that atom increases? It decreases. It increases. It remains the same.

Which of the following is plotted on the x-axis of a distance versus time graph (A) Distance (B) Time (C) Speed (D) Velocity

1. On which date does the Antarctic Circle have 24 hours of daylight? A. June 21 B. March 21 C. September 21 D. December 21 2. When energy is transferred to air, what happens to the particles of air? A. They move slower. B. They move faster. C.

At what speed does a falling hailstone travel? Does the speed depend on the distance that the hailstone falls?

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False

Most arson fires are produced through what? Accelerants Dynamite Chemical residues Steroids

A block with mass m1 = 9.4 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.22 and μs = 0.242.

When an electric current flows through a wire a magnetic field is created. To increase the power of the magnetic field you would A.