Friction force equation

Which unit of heat was originally defined in terms of the Fahrenheit temperature scale, not the Celsius scale? British Thermal Unit joule kilocalorie calorie

Two charges separated a distance of 1.0 meter exert a 1.0-N force on each other If the charges are pushed to a separation of 1/4 meter the force of each charge would be?

A boat floats with 25% of its volume under water. a. What is the boatâs density? b. If the boat was made from 500 kg of metal, what is the volume of the boat? (Assume the air in the boat has negligible mass and density) c.

A dragster starts from rest and travels 1/4 mi in 8.40 s with constant acceleration. What is its velocity when it crosses the finish line?

A box is placed on an incline that makes an angle θ with the horizontal. If a force is applied to the box from some direction to get it moving, which is true about the motion of the box?

A 30-g bullet is fired with a horizontal velocity of 450 m/s and becomes embedded in block B, which has a mass of 3 kg. After the impact, block B slides on 30-kg carrier C until it impacts the end of the carrier.

11) Shifting with ease from one type of problem-solving strategy to another is called a) flexibility b) versatility c) originality d) openmindedness

A truck undergoes a constant acceleration of 2.0 meters/second2 on a highway that slopes upward at an angle of 30.0° to the horizontal. What is the magnitude of the horizontal component of the acceleration?

Why is there so much more carbon dioxide in the atmosphere of Venus than in that of Earth? Why so much more carbon dioxide than on Mars?

People have proposed driving motors with the earth's magnetic field. This is possible in principle, but the small field means that unrealistically large currents are needed to produce noticeable torques.