One hectare is defined as 10 4 m2. One acre is 4 ✕ 10 4 ft2. How many acres are in one hectare?

A 1kg block is pushed with an external force of 20 newtons then slows to rest after moving 3M if the coefficient of friction between the block and the table is. 5 what is the total work done by the block?

He was a priest who issued the Grito de Dolores, a call for a peasant rebellion in Mexico. a. Saint-Domingue b. Toussaint L'Ouverture c. José de San Martín d. Miguel Hidalgo

What properties does electrical resistance in a wire depend on?

A runner exerts a force of 234 N against the ground while using 1100 W of power. How long does it take them to run a distance of 30.0 m

Can A positively charged body attract another positively charged body

The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. A beam of white light in this glass strikes the glass-air interface at a 25.50∘ angle of incidence and refracts out into the air.

The locations of the major pressure and wind systems on the earth:

Which statements correctly describe the properties of heat? Select all that apply. Heat is an essential component of life on Earth. Heat is energy that flows from one object to another. Heat flows from a hotter object to a colder one.

A book is sitting on a table at rest. Which of the following best describes the forces acting on the book? A.

When NASA's Skylab reentered the Earth's atmosphere on July 11, 1979, it broke into a myriad of pieces. One of the largest fragments was a 1770-kg lead-lined film vault, and it landed with an estimated speed of 120 m/s.?