A copper piece cannot be made a magnet ... Why?

Two balls of mass 0.5 kg and 0.8 kg are connected by a low-mass spring. This device is thrown through the air with low speed, so air resistance is negligible.

Which object would a geologist date using carbon-14 dating? A. a dinosaur fossil B. a woolly mammoth fossil C. an ancient volcanic rock D. an igneous rock

If a 6-kg bowling ball is rolled down the bowling lane with a force of 12 N, what is the acceleration of the ball?

Curling is a sport played with 20 kg stones that slide across an ice surface. Suppose a curling stone sliding at 1.5 m/s strikes another stone and comes to rest in 2.5 ms. Approximately how much force is on the stone during impact.

All of the following are ways in which electromagnetic waves are measured except A. Amplitude B frequency C velocity D wave length

What is the mass of an object with a density if 4.0g/cm3 that displaces 3.0cm3 of water?

aluminum has 13 electrons. how many electrons are found in the outermost energy level for this atom which energy level is the outermost

For an ideal fluid flowing through a horizontal pipe, Bernoulli's principle and the continuity equation state that the pressure within the pipe does which of the following? (Assume measurements are taken along the pipe in the direction of fluid flow.

Which of the following is not part of testing a hypothesis? A. Making a theory B. Making a model C. Gathering evidence D. Collecting data

What are two types of charges that particles possess