Friction plays a minimal role in torque application accounting for only 10% of the total torque. Select one: True False
4. A 50 gram piece of iron warms from 0^circ C to 40^circ C while absorbing 900 joules.What is the specific heat of iron?
What happens to a normally open timed contact when voltage is applied to the coil of an off-delay timer? The contact changes immediately from open to closed. There is an immediate heating of the transformer. The contact changes immediately from closed to open. There is an immediate cooling of the transformer.
What determines whether water is solid, liquid, or gas? Choose all that apply. the container in which it is held the humidity of the surrounding air the speed at which the molecules move the distance between the molecules
Forces between particles Increase as the particles move faster and farther apart. __ True False
Particle motion in ice Is square than particle motion in water.
Adding thermal energy to a cup of water can cause particles to do which of the following? Select all that apply. A) move faster B) get farther apart C) move slower D) remain constant E) get closer together
15. The heaviest broccoli on record has a mass of 15.87 kilograms. How does the value of the 5 in the mass of the broccoli compare with the 5 in the mass of the mango above?
When measuring distance between two points, a __ would be the correct lab equipment to use. metric ruler spring scale graduated cylinder ) triple beam balance
Which SI unit for length is greater than a meter? a centimeter b kilometer C millimeter d decimeter
Fire the catapult at the lowest cup position What is the distance achieved? About 635 About 357
If Jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, what is being done? compression work radiation energy creation
Which word or phrase best describes entropy? disorder order kinetic energy force
What are most semiconductors made from? aluminum copper iron silicon
At which temperature does all molecular motion stop? OR $0^{\circ }C$ OK $0^{\circ }F$
Which statement about the volume and pressure of a gas is the most accurate? Volume of a gas is directly proportional to pressure of that gas in any container. Volume of a gas is inversely proportional to pressure of that gas in any container. Volume of a gas is always greater than pressure of that gas in any container. Volume of a gas is equal to pressure of that gas in any container.
CER: Make a claim about which type of material (dark or light)increases in temperature more when exposed to light energy Use evidence and scientific reasoning from class to support your answer. Your answer
In a transverse wave the wavelength can be measured as the distance between two adjacent compressions. TRUE FALSE
The slope of a linear velocity vs time graph tells us the __ of the object. displacement velocity speed acceleration
What is the first nucleus of an atom shown as? a fuzzy cloud a mass of protons and neutrons a solid mass surrounded by electrons a mass of protons
