In which of the following is positive work done by a person on a suitcase

The spread of uniform construction technology can be traced to which of the following developments?

When something is moving, it is in motion. Pressing the gas pedal in a car will put the car in motion. Two important properties of motion are speed and direction. Speed is how fast an object is moving.

Three students decided to make money shoveling snow. They shoveled snow for five days. Akeo earned $162 on Friday. Cristina earned $284 on Wednesday. Oscar earned $204 on Monday. These were the maximum amounts earned by each.

Which step follows the identification of the problem in the technological design process? Decide on a design Research Generate ideas

What is the cause of mass wasting a. kinetic energy b. thermal energy c. gravity d. expansion

Electromagnetic waves are classified as longitudinal waves.

Newtons second law of motion the acceleration of an object equals the net force acting on the object divided by the objects?

An empty train car of mass 2.0 x 104kg coasts along at 10 m/s. A 3000-kg boulder is suddenly dropped vertically into the car. Find the speed of the car immediately after the boulder is dropped in.

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance? luster hardness density viscosity

How is current transferred from the moving armature to the rest of the circuit in an alternating current generator?