what is the difference between stirring hot soup with a wooden spoon and a metal spoon? what physical property is being observed?

A 30.0 kg object rests on a flat, frictionless surface. A rope lifts up on the object with a force of 309 N. What is the acceleration of the object?

What type of energy depends upon an object mass and the object speed?

As a ball falls freely toward the ground, its total mechanical energy (1) decreases (2) increases (3) remains the same

What is the role of chromosomes and genes in the inheritance of traits?

As the clump of colored fluid at the bottom of the lava lamp rises to the top, which will increase?

Groups of the periodic table correspond to elements with a the same color b the same atomic number c similar chemical properties d similar number of neutrons

If a child ran into the road 65 to 70 feet ahead of your vehicle, what is the highest speed from which you could stop with good brakes before hitting him?

Which of the following describes a response to external stimuli? a rabbit runs away from a fox that is chasing it a woman drinks water when she is thirsty a boy eats food when he is hungry a person yawns when oxygen levels in the blood are low

Why do moon phases repeat about every 28 days

Which energy transformation takes place when a firecracker explodes