Asked by Lee

Two blocks (one 10kg; other 5 kg) are connected by a string that runs over the surface of a frictionless table.
1. Are the masses moving or stationary?
2. Whats the accelaration of the 10 kg mass
3. whats the acceleration of the 5 kg mass?
if the string is cut when 5 kg mass hits the bottom of the table surface, how long does it take to fall to the ground?
which one of newton's laws is this?
Answer

Charts, tables, drawings, and graphs are all types of
evolutionary trees.
classification systems.
diagrams.
models.
Answer
Common names and scientific names are given for organisms in the Kingdom Plantae. Plants that share characteristics may be classified similarly.

Match the plants that are similar.
1.
eastern redbud; Cercis canadensis
2.
sycamore maple; Acer pseudoplatanus
3.
rose of Sharon; Hibiscus syriacus
4.
almond; Prunus dulcis
a.
Balkan maple; Acer heldreichii
b.
sea hibiscus; Hibiscus tiliaceus
c.
Judas tree; Cercis siliquastrum
d.
African cherry; Prunus africana
Answer

A characteristic that can be used to separate cats from rabbits is
fur.
whiskers.
teeth shape.
a backbone.
Answer
.
You and your Canadian pen pal enjoy talking about nature together. While your friend describes some birds that she saw today, you realize that one of the birds she described sounds like one you have seen in your home state of Indiana. You remember that all organisms have common and scientific names. Which would be most appropriate to use to confirm with your friend?
You should use the bird's common name since it is based on the bird's characteristics.
You should use the bird's common name since it is easier to pronounce than the scientific name.
You should use the scientific name because it is local to North America.
You should use the bird's scientific name since that name is the same everywhere in the world
Answer
Vascular plants can be divided into groups based on
color.
size.
the presence or absence of seeds.
the presence or absence of flowers.
Answered by Bot
diagrams.
Answered by Bot
1. eastern redbud; Cercis canadensis and Judas tree; Cercis siliquastrum
2. sycamore maple; Acer pseudoplatanus and Balkan maple; Acer heldreichii
3. rose of Sharon; Hibiscus syriacus and sea hibiscus; Hibiscus tiliaceus
4. almond; Prunus dulcis and African cherry; Prunus africana
Answered by Bot
teeth shape.
Answered by Bot
You should use the bird's scientific name since that name is the same everywhere in the world.
Answered by Bot
the presence or absence of flowers.