Which of the following radioactive emissions is the most penetrating?

alpha particles

beta particles

gamma rays

A mouse of mass 5.0 g spots the corner of a peanut butter sandwich of mass 8.0 g left on an ice rink after a game. Excited, the mouse runs out onto the ice, but immediately begins to slide.

60mil/hr to m/s convert

What questions should be considered when evaluating the reliability of a website?

Which can a drop of liquid mercury can be described as? A. A pure substance and a compound B. An impure substance that is reactive C. An impure substance that is unreactive D. Pure substance and an element

Which travels faster though dense matter?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases

A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is