Question 21 of 25
Which statement best describes one way that molecules differ from atoms?
A...
Question 21 of 25
Which statement best describes one way that molecules differ from atoms?
A. A molecule can contain two atoms of the same element.
B. Only a molecule can be the smallest particle of a certain element.
C. Only a molecule can be broken down into two or more different
elements.
D. A molecule can contain a nucleus about which its electrons orbit.
SUBM
Answer is A
Answers: 2
Physics, 22.06.2019 05:30
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
Answers: 1
Physics, 22.06.2019 09:00
In the first law of thermodynamics, triangle e=q-w, what does q stand for
Answers: 1
Physics, 22.06.2019 15:30
What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology
Answers: 2
Physics, 22.06.2019 19:30
Amass m = 74 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius r = 18.4 m and finally a flat straight section at the same height as the center of the loop (18.4 m off the ground). since the mass would not make it around the loop if released from the height of the top of the loop (do you know why? ) it must be released above the top of the loop-the-loop height. (assume the mass never leaves the smooth track at any point on its path.) 1. what is the minimum speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track? 2. what height above the ground must the mass begin to make it around the loop-the-loop? 3. if the mass has just enough speed to make it around the loop without leaving the track, what will its speed be at the bottom of the loop? 4. if the mass has just enough speed to make it around the loop without leaving the track, what is its speed at the final flat level (18.4 m off the ground)? 5. now a spring with spring constant k = 15600 n/m is used on the final flat surface to stop the mass. how far does the spring compress?
Answers: 3
Geography, 29.09.2019 07:00
Mathematics, 29.09.2019 07:00
World Languages, 29.09.2019 07:00
Chemistry, 29.09.2019 07:00
Mathematics, 29.09.2019 07:00
Biology, 29.09.2019 07:00
Mathematics, 29.09.2019 07:00
Social Studies, 29.09.2019 07:00
Chemistry, 29.09.2019 07:00
English, 29.09.2019 07:00