Pick the two correct statements.

A curtain blind uses a wedge.

B. A bicycle uses a wheel and axle.

C. A seesaw uses a lever.

D. An axe uses a pulley.

Anthony walked to the pizza place for lunch. He walked 1 km east, then 1 km south and then 1 km east again. What distance did he cover? What was his displacement?

The weight of a body of certain mass become zero in space. why?

A block of wood has a density of 900 kg/m3. It is placed in a fluid in which it floats with two-thirds of its volume submerged. What is the density of the fluid? Express your answer in kilograms per cubic meter to three significant figures.

Metamorphic rocks with a banned appearance due to the alignment of minerals are

girl lifts a 160-N load to a height of 1m in 0.5s. how much power is used to lift the load? 32w 160w 320w 80w

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

What does a hurricane hunter do

Why is fluorine special in terms of electronegativity?

The airbag inflates and deflates quickly so

Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smaller sphere.