Different forms of the same element are called what

One function of the skeletal system is to protect the internal organs. true/false

A 60kg of weight person climbs stairs of total height 20m in 2min. calculate the power

What instrument uses a magnetic field to magnify imags up to 100000000?

I am a planet with no solid surface, hot liquid deep inside, and a rocky core at my center. I have rings made of small particles and dust, and 67 known moons. Which planet am I? A. Jupiter B. Saturn C. Neptune D. Pluto

Question 6 Unsaved If the mass of a material is 46 grams and the volume of the material is 14 cm^3, what would the density of the material be?

The only variable that changes is the baseballs? a. velocity b. kinetic energy c. mass

A basketball player is running at a constant speed of 2.5 m/s when he tosses a basketball upward with a speed of 6.0 m/s. How far does the player run before he catches the ball? Ignore air resistance.

The earth is composed of four layers three of these layers are solid and only one is liquid which layer exits in the liquid state A. Crust B. Inner core C. Mantle D. Outer core

Different forms of the same element are called what

The rotational inertia I of any given body of mass M about any given axis is equal to the rotational inertia of an equivalent hoop about that axis, if the hoop has the same mass M and a radius k given by The radius k of the equivalent hoop is called