# if two sets of data are correlated this means that

questioned by administrator @ in Physics viewed by 3 People

If two sets of data are correlated, this means that:

A. the sampling is random
B. they are related, but one might not be causing the other.
c. one set causes the other to happen.
D. there is an illusory correlation.

## how did mendeleev arrange the elements in his periodic table

Questioned by administrator @ in Physics viewed by 0 persons

How did Mendeleev organize the elements to create a periodic table

## a 90 kg person rides a spinning amusement park ride

Questioned by administrator @ in Physics viewed by 0 persons

“A 90.0 kg person rides a spinning amusement park ride that has a radius of 11.5 m. If the person’s tangential speed is 13.2 m/s, what is the magnitude of …

## which requires more work lifting a 50 kg sack vertically

Questioned by administrator @ in Physics viewed by 0 persons

Which requires more work: lifting a 100 kg sack a vertical distance of 2 m or lifting a 50 kg sack a vertical distance of 4 m?Explain.

## a centrifuge is a common laboratory instrument that separates components

Questioned by administrator @ in Physics viewed by 0 persons

A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a large angular …

## what is the resonance angular frequency ?0 of the circuit

Questioned by administrator @ in Physics viewed by 0 persons

Consider a series RLC circuit where R = 957 Ω R=957 Ω and C = 8.25 μ F C=8.25 μF . However, the inductance L L of the inductor is …

## you pick up a 10 newton book off the floor

Questioned by administrator @ in Physics viewed by 0 persons

You pick up a 10-newton book off the floor and put it on a shelf 2 meters high. How much work did you do?​

## compare the speed of sound in solids liquids and gases

Questioned by administrator @ in Physics viewed by 0 persons

Describe how sound waves move through different types of matter. Compare the speed at which sound moves through solids, liquids, and gases and explain why sound travels differently through different …

## how much water on earth is available for human use

Questioned by administrator @ in Physics viewed by 0 persons

About how much of Earth's water is available for humans to use? 0.01% 0.90% 3.0% 97.0%

## which index of refraction represents the most optically dense material

Questioned by administrator @ in Physics viewed by 0 persons

Which index of refraction represents the most optically dense material? a. 1.58 b. 1.77 c. 2.42 d. 2.65

## name the device that converts electrical energy into mechanical energy

Questioned by administrator @ in Physics viewed by 0 persons

A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an) A. transformer. B. generator. C. electromagnet. D. current …

## what are the three formulas for mass force and acceleration

Questioned by administrator @ in Physics viewed by 0 persons

What are the three formulas which describe the relationship between mass, force and acceleration? I already know acceleration. I just need mass and force. Acceleration = Net Force/Mass Mass = …

## which logging method has the greatest impact on forest ecosystems

Questioned by administrator @ in Physics viewed by 0 persons

﻿what logging method greatest impact on forest ecosystems

## how could you best help people with eating disorders apex

Questioned by administrator @ in Physics viewed by 0 persons

How could you best help people with eating disorders? A. Get advice from a trusted adult about resources for people with their condition. B. Ask questions about eating disorders on …

## an inclined plane wrapped around a cylindrical post is a

Questioned by administrator @ in Physics viewed by 0 persons

What is an inclined plane wrapped around a cylindrical post?

## the element niobium which is a metal is a superconductor

Questioned by administrator @ in Physics viewed by 0 persons

The element niobium, which is a metal, is a superconductor (i.e., no electrical resistance) at temperatures below 9 K. However, the superconductivity is destroyed if the magnetic field at the …

## a hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. the total electrical energy used by the dryer during this time interval is

Questioned by maham237 @ in Physics viewed by 349 persons

## at approximately what frequency do most people perceive the least intense sounds?

Questioned by maham237 @ in Physics viewed by 315 persons

## calculate the total mass of these letters in grams (mxe=131.29amu).

Questioned by maham237 @ in Physics viewed by 305 persons

## a kiddie roller coaster car has a mass 100 kilograms

Questioned by maham237 @ in Physics viewed by 290 persons

## uncertainty of a caliper

Questioned by maham237 @ in Physics viewed by 269 persons

## what is the passenger's apparent weight at t=1.0s?

Questioned by administrator @ in Physics viewed by 234 persons

## which of the following diagrams involves a virtual image?

Questioned by maham237 @ in Physics viewed by 227 persons

## a running mountain lion can make a leap 10.0 m long, reaching a maximum height of 3.0 m.

Questioned by administrator @ in Physics viewed by 168 persons

## the african cicada is the world's loudest insect, producing a sound intensity level of 107 db at a distance of 0.50 m. what is the intensity of its sound (in w/m2) as heard by someone standing 3.1 m away? express your answer in watts per meter squared.

Questioned by maham237 @ in Physics viewed by 167 persons

## what is the direction of the magnetic field b⃗ a at point a?

Questioned by administrator @ in Physics viewed by 166 persons

## a 60 kg runner in a sprint moves at 11 m/s. a 60 kg cheetah in a sprint moves at 33 m/s.

Questioned by maham237 @ in Physics viewed by 134 persons

## earth has a mass of 5.97 x 1024 kg and a radius of 6.38 x 106 m, while saturn has a mass of 5.68 x 1026 kg and a radius of 6.03 x 107 m. find the weight of a 65.0 kg person at the following locations? a) on the surface of the earth. b) 1000 km above the surface of earth. c) on the surface of saturn. d) 1000 km above the surface of saturn.

Questioned by maham237 @ in Physics viewed by 133 persons

## a rocket of mass m is launched straight up with thrust f⃗ thrust.

Questioned by maham237 @ in Physics viewed by 108 persons

## 50 tooth sprocket turns at 20 rpm

Questioned by maham237 @ in Physics viewed by 101 persons

## if 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 195-pound man?

Questioned by maham237 @ in Physics viewed by 92 persons