The difference between scalar and vector

A light, flexible, non-stretching cable is wrapped several time around a winch drum, a solid cylinder of mass 50 kg and diameter 0.120 m, which rotates about a stationary horizontal axis held by frictionless bearing.

As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted on the floor by the heel if it has an area of 1.83 cm2 and the woman's mass is 54 kg. Express the pressure in Pa.

What occurs in a chemical reaction? A. Reactants are formed without chemical bonds being broken B. Reactants are formed from products by the breaking and forming of bonds C. Products are formed without chemical bonds being broken D.

An artillery shell is fired at an angle of 56.1 degrees above the horizontal ground with an initial speed of 1660 m/s. The acceleration of gravity is 9.8 m/s^2. Find its horizontal range, neglecting air resistance. Answer in units of km.

The most dangerous thing for a motorcyclist passing parked cars is

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.