The MA of a wheel and axle can be calculated by the ratio of the radius of the wheel to the radius of the axle. If an axle has a radius of 2 in and the wheel has a radius of 6 in, what is the MA of the wheel/axle?

What SI unit replaces the pound. what does this measure

The moment of inertia of a solid cylinder about its axis is given by 0.5MR2. If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. In a typical strike, the chameleon's tongue accelerates at a remarkable 260 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

A 25.0-meter length of platinum wire with a cross-sectional area of 3.50 * 10^-6 meter^2 has a resistance of 0.757 ohm at 20°C. Calculate the resistivity of the wire. [Show all work, including the equation and substitution with units.]

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Describe the factors that form deep currents

A comet is cruising through the solar system at a speed of 50000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time in kilometers, miles, and light years?

A gas in a closed container is heated with 12J of energy, causing the lid of the container to rise 3m with 5N of force. What is the total change in energy?

What are illuminated objects?

During one year a population of blue jays has zero population growth. which must be true about the blue jay population at the end of the year compared to the beginning of the year?