zz
This page lists questions and answers that were posted by visitors named zz.
Questions
The following questions were asked by visitors named zz.
A classroom test that measures appropriate knowledge and/or skills is likely to be reliable because of the strong link between validity and reliability. A. Advanced vocabulary B. Double-concept item
13 years ago
A ball,500g,thrown upward at 20 m\s reaches an elevation of 15m.how much energy is lost.
13 years ago
a
4 years ago
Question 2 A bullet of mass 0.03 kg is fired from a rifle of mass 5 kg at a speed of 250 m/s. Before the bullet is fired, the initial momentum is zero. a) What is the momentum of the bullet just after it is fired? b) What is the momentum of the rifle? (hi...
2 years ago
Answers
The following answers were posted by visitors named zz.