A friend on skis stands still on level ground, with dry 0.00°C with a coefficient of static friction of 0.0300. How hard would you have to push your friend in the forward horizontal direction to move him if your friend weighs 685 N?

Conservation of Momentum Practice 1. You (60kg) and you beau (45kg) are at an ice rink holding hands. You start at rest facing each other, and push apart, going off in opposite directions.

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 ball is thrown into the air and follows the parabolic path indicated by the dashed line. Use the arrows provided to indicate the approximate directions of the velocity and acceleration of the ball at each of the three locations.

Suppose a logs mass is 5kg. after burning, the mass of the ash is 1kg. explain what may have happened to the other 4kg

If the wavelength of an electromagnetic wave is too long or too short, A. it cannot be seen B. it is no longer a wave C. it is no longer an electromagnetic wave D. it becomes a sound wave

What does it mean when we say an atom has decayed?

The first excited state of a particular atom in a gas is 5.2 eV above the ground state. A moving electron collides with one of these atoms, and excites the atom to its first excited state.

How do your teeth work as a wedge?

According to the Big Bang theory timeline, all matter and energy was compressed into a very small volume at an extremely high temperature. a. True b. False

Sal is thinking about making a positive change in his life. But there are risks involved. Which is the healthiest way that Sal can approach these risks?