pleeaseeee helllp A geologist finds a large rock containing a fern fossil. This kind of fern grew on land in hot, moist climates.

What does this tell the geologist about the area at the time the rock was formed?


The area was covered by an ocean.


The area was muddy and wet.


The area was hot and tropical.


The area was snowy and cold.

Answer: The area was hot and tropical.

Explanation:

Explain how you can use a rope to prove that waves transfer energy not matter.

How much force would it take to make a 60 kg object accelerate at 5 m/s/s?

How far would a 6 kg ball move in 10 seconds if it is being pushed with a force of 100 N

Please help!!
What does a straight line slanting up from left to right on a distance versus time graph show?

Average time
Average distance
Constant speed
Changing speed

Please answer!

Which layer of the atmosphere do most planes fly in?
A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere E. Exosphere

Plate Tectonics Lab Report The outcome variable (dependent variable): the outcome/dependant variable is Test variable (independent variable): the test/independent variable is

please only answer if you have done the paper before

F = ma

With what force will a car hit a tree if the car has a mass of 3,000 kg and it is accelerating at a rate of 2 m/s2?
a
6000 N
b
1500 N
c
3000 N
d
4500 N

____________ and ______________ work on the principle of Pascal’s law.

What is the velocity of a car that traveled a total of 75 kilometers in 1.5 hours?

a
26.5 hr/Km
b
50.0 hr/Km
c
50.0 Km/hr
d
112.5 Km/hr

Can someone help me with this please?

What would be the acceleration of a 80 kg box that is being pushed with a force of 20 N but has 5 N of friction on it

If the net force on an object is zero, then the object has

a
unbalanced forces
b
balanced forces
c
reaction forces
d
action forces

ASAP HELP PLZZZZZZZZZZWhich of the following happens when normal force and gravitational force acting on an object are unbalanced? The object would move up or down. The object would move left or right. The mass of the object would increase. The temperature of the object would decrease.

A car travels at 20 m/s/s and has a mass of 10 kg, what is the force of the car?

a
0.5 N
b
200 N
c
2 N
d
20 N

What is the distance traveled by a snail moving a constant 2 cm/min for 10 minutes?

a
200 cm

b
10 cm

c
5 cm

d
20 cm

A motorcycle starts from a stoplight and goes to 35 meters a second in 5 seconds. What is the rate of acceleration?



a
5 m/s/s

b
7m/s/s


c
.14 m/s/s

d
not enough information to calculate

how did the environment in north america affect the development of american indian culture in period just before europeans arrived

Again, thank you so much if you answer!

Two objects fall from the same height on earth. One object weighs 5kg and the other object weighs 10kg, which object will hit the ground faster? (no air friction)

a
5 kg object
b
Both objects will continue to travel through space until stopped.
c
Both objects will hit the ground at the same time
d
10 kg object

A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart? *

You design toys for a toy company. Your boss wants you to hook up the lights in the toy car you are working on in the cheapest way possible, without consideration of the quality of the toy. Which circuit should you use if you want to save money by using fewer parts? Why would this circuit be cheaper?