What is the magnitude of the vector described below?

"15 ft/s down"

A. 15 ft/s

B. Feet

C. Feet per second

D. Down

Emma is working in the laboratory to determine the density of a rectangular piece of solid iron. What are two tools Emma should use to determine the density of the iron?

When the temperature of the air is 25°C, the velocity of a sound wave traveling through the air is approximately A. 347 m/s. B. 332 m/s. C. 357 m/s. D. 320 m/s.

The Architecture and Construction career cluster is a group of careers focused on designing, constructing, and maintaining buildings and other structures. assembly of buildings and structures. designing and planning buildings.

Calculate the power of convex lens of focal length 20cm

Can an object have a southward velocity and a northward acceleration

If two waves in the same space interfere completely destructively, which of the following occurs? A. The amplitude decreases. B. The amplitude increases. C. The wave speed increases. D. The wave speed decreases.

An electric force exists between which pair of objects? Check all that apply. A) a neutral object and a negative object two negative objects B) a neutral object and a positive object C) two positive objects D) a negative object and a positive object

A person jogs 40 km in 32 minutes then 20 km in 22 minutes and finally 10 km in 16 minutes what is his average speed in in per minute

Write a sentence describing the relationship between volume and time

For two different inertial frames of reference would acceleration and change in velocity be different? How would energy be affected?