An archer shoots an arrow horizontally at a target 15 m away. the arrow is aimed directly at the center of the target, but it hits 52 cm lower. what was the initial speed of the arrow?

Which hormones would be considered in the low range? What gland produces these hormones?

A fluid with viscosity and density is flowing in a long horizontal tube of radius for what pressure gradient will the flow become turbulent?

Materials that allow the charges of an electric current to move freely through them are called a. insulators. b. conductors. c. resistors. d. magnets.

What 2 factors cause seasons on Earth?

What is Place where earthquake originates?

How is friction related to conservation if mechanical energy?

Does the ear drum vibrates when struck by sound waves and directly sends a message to the brain that is then recognized as sound?

Think of an example that you could use to convice a friend that an object at rest has an "internal hold back property" that is different from a frictional force or the force of the earth's gravity.

Sally places a jar with some pennies into a pool of water and exactly half of the jar is submerged. The volume of the jar is 200 cm3 and the density of the water is 1 g/cm3. a. What is the buoyant force acting on the jar? b.

According to the law of reflection the angle of incidence is equal to the angle of blank