What is the iv and the DV in a rocket

Answers

Answer 1

Answer:

an independent variable (IV) that you can change. • Typical IV's might be number of fins, length of rocket, type of material, mass of the rocket. • Choose one dependent variable (DV) and make three launches per DV for each IV for a total of. six launches..

Explanation:

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Which element was discovered by joseph priestley to be what his contemporaries called ""dephlogisticated air""?

Answers

Answer:

oxygen

During his lifetime, Priestley's considerable scientific reputation rested on his invention of soda water, his writings on electricity, and his discovery of several "airs" (gases), the most famous being what Priestley dubbed "dephlogisticated air" (oxygen).

Explanation:

A wagon is pulled at a speed of 0.40metets/seconds by a horse exerting an 1,800 Newton's horizontal force. what is the power of this horse?

Answers

Given:

speed of 0.40meters/seconds

1,800 Newton's horizontal force

Required:

Power of the horse

Solution:

P = F(D/T) where P is power in watts, F is the force, D is the distance and T is time

P = (1,800N) (0.40 meters/seconds)

P = 720 Watts

________ reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.a. Complex
b. Standard
c. Simple
d. Visual

Answers

Simple reaction time involves selecting aspecific and correct response from several choices when presented with severaldifferent stimuli. This is very important because historically, this was thefirst indicators of intelligence pioneered by Francis Galton. To measure one’sintelligence is to know how he quick a person could respond to the stimuluswith an already expected response wherein the stimulus is given unknown to thereceiver. In other terms, the intelligence is measured on how quick a personcould grasp certain concepts and how he could think fast and answer themcorrectly.

Complex reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.
Answer: A

What can cause damge days after a large earthquake?

Answers

After shocks can cause damge for days after a large earthquake

Answer:Damge buildings that fall down after a earthquake also After shock

What is the purpose of the CETI program?a. to listen for disturbances in the earth's crust
b. to listen for unlawful broadcasts from rogue nations
c. to listen for signals from outer space
d. to listen for sounds emitted from the ocean

Answers

The purpose of the CETI program is c. to listen for signals from outer space. CETI stands for "Communication with ExtraTerrestrial Intelligence", and is a program dedicated to the search for extraterrestrial beings and intelligence. It mainly listens to sounds emitted from outer space, and analyzes/deciphers them in case they are part of another civilization.

Select all the factors listed that influence the density of ocean water.a. tides
b. salinity
c. fecundity
d. temperature E. wave height F. current speed