How much rope would need to be pulled through a pulley with a mechanical advantage of 2 to lift a load 4 ft?

A cheetah can go from a state of resting to running at 20 m/s in just 2 seconds. What is the cheetah's average acceleration?

Two fluorine atoms form a compound with a covalent bond. What is this compound called?

When doing numerical calculations involving temperature, you need to pay particular attention to the temperature scale you are using. in general, you should use the kelvin scale (for which t=0 represents absolute zero in such calculations.

You weigh 730 n. what would you weigh if the earth were six times as massive as it is and its radius were three times its present value? answer in units of n.

What fraction of the volume of an iceberg (density 917 kg/m3) would be visible if the iceberg floats in (a) the ocean (salt water, density 1024 kg/m3) and (b) in a river (fresh water, density 1000 kg/m3) ?

Sketch of the distance vs time graph for a car with constant velocity

3. Applying Concepts Explain why a canoe that has hollow, water- tight compartments on its ends won't sink, even if it is capsized.

If two forces of equal magnitude act on an object that is hinged at a pivot, the force acting farther from the pivot must produce the greater torque about the pivot. A) true B) false C) unable to decide without knowing the shape of the object

Standard voltage for electrical circuits in the United States is 120 volts. Is this the standard voltage in other countries?

An astronaut on the planet Trappist-1b tosses a rock horizontally with a speed of 7.95m/s. The rock falls through a vertical distance of 2.35m and lands horizontal distance of 9.57m from the astronaut.