Inside a space shuttle there are two identical boxes, but different content: one containts metal tools and the other foam for insulation. How can the astronaut know which is the one with the tools without opening it?

Sort the characteristics of solids, liquids, and gases into the correct columns.

How would one be able to travel in time?

An object has a charge of 4.5 c is it negative or positive

AL (OH) 2 is__ an acid a base a salt

Two charges, - q0 and - 4q0 are a distance l apart. these two charges are free to move but do not because there is a third charge nearby.

What cells in the nervous signals travel through the nervous system

A mechanic pushes a 3.60 ✕ 103-kg car from rest to a speed of v, doing 5,130 j of work in the process. during this time, the car moves 21.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?

Why does a buoyant force act on every object in a fluid? Pressure pushing up on the bottom of the object is greater than the pressure pushing down on the top.

Give a sentence with the word velocity in it