Is thin humans more denser than fats?

If a 0.20 kg object fell 7.0 Meters before it hitting the ground, what was it's change in Potential Energy during the fall?

A car with a mass of 1.50x10^3 kg starts from rest and accelerates to a speed of 18.0m/s in 12.0 s. assume that the force of resistance remains constant 400.0n during this time. what is the average power developed by the car's engine.

As an object falls, what happens to its gravitational energy? a. increases b. decreases c. remains the same d. more information is needed

Neutral Atom: Na, Ca, I, O Ion: Na + Ca+2 I - O-2 What are some differences you observe between the Neutral Atoms and the Ions?

Which of these statements is correct about forces in the solar system? A) The magnitude of electromagnetic forces is greater than the magnitude of gravitational forces.

Suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration. a) The car is decelerating and its acceleration is positive.

What are the moons of the outer planets made of, and how is their composition different from that of our Moon?

What is the main difference between geocentric and heliocentric models of the solar system

A flywheel in a motor is spinning at 530 rpm when a power failure suddenly occurs. The flywheel has mass 40.0kg and diameter 75.0cm. The power is off for 39.

Witch types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of microwave?