True or false: as negative thundercloud passes over the city it drives electrons deep into the earth leaving a surface positive. this is an example of friction

How are mass and brightness related? Daddies!

3. As the duration of a maximal effort increases from 10 seconds or less to between 10 and 180 seconds, what factor becomes limiting in terms of energy production?

What instrument is used to measure current? 1. a current machine 2. an ammeter 3. a currentometer 4. a voltmeter

Calculate the magnitude of the horizontal vector that is 100 units long and is oriented at 45 degrees

Name 3 potential sources of heat ignition that can be found in a care home

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?