Yosef applies an input force of 50 N to a crowbar. The crowbar applies a force of 750 N to the lid of a crate. What is the mechanical advantage of the crowbar?

ID: A A car traveling initially at 5.5 m/s accelerates at a rate of 1.2 m/s/s for 2.3 seconds. What is its velocity at the end of the acceleration?

What is the specific heat capacity if it takes 1000 J of energy to heat 25 g of this substance by 100°C? Give your answer in J/kg°C.

Uranium 238, a common isotope of natural uranium (u), decays to form an isotope of thorium (th) which has an atomic mass of 234 amu and 90 protons.

A measure of the average kinetic energy of the individual particles in an object is called a. thermal energy. b. conduction. c. convection. d. temperature.

A Venturi tube may be used as the inlet to an automobile carburetor. If an inlet pipe with a diameter of 2.0 cm diameter narrows to diameter of 1.0 cm, determine the pressure drop in the constricted section for an initial airflow of 3.

Determine the answer to the equation 30 km/h * 17 h =

Do you think it would be possible to compress a gas to zero volume

Describe how velocity and speed are different

The slope of a velocity versus time graph gives

Is work done if you carry a book across the room at a constant velocity? a. No, the force applied is parallel to the direction of motion. b. Yes, the force applied is parallel to the direction of motion. c.