Ascientist has a sample of uranium–238 (u–238) that is decaying to thorium–234 (th–234). during the transmutation, a gamma ray is emitted from the nucleus. the thorium–234 daughter particle does not decay quickly enough to be detected. what kind of storage container should he store the sample in to reduce radiation exposure?

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

Which of the following is an example of motion in two dimensions?

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.