I understand what gravity is-its a force that pulls together matter. But every website Ive looked at, trying to find what MAKES gravity, just tells me what gravity is or has useless facts about gravit
When a rock thrown straight upward gets to the exact top of its path, the magnitude of its
A) velocity is zero and acceleration is zero
B) Velocity is 10 m/s and acceleration is zero
C) Velocity is z
A wooden spherical ball with SG of 0.42 and diameter of 30 cm is dropped from height 4.2m above surface of water of pool. If the ball barely touches bottom of pool, what is water level in pool at that
This last problem on my homework is horrible, I cannot figure it out. Please help if you can, heres the question: An arrow is shot vertically upward and then 1.81 s later passes the top of a tree 43.2
Four people sit in a car. The masses of the people are 50 kg, 57 kg, 63 kg, and 65 kg. The cars mass is 1020 kg. When the car drives over a bump, its springs cause an oscillation with a frequency of 2
And you set it off. And it exploded?
Would the mountain contain the blast, or would it blow up? Would there be an earthquake?-You could pick up the blast on seismographs. Nothing else noticeable.
Th
Im working on some physics homework and #3 is very confusing, I cannot figure out this question, so if anyone can be some assistance, Ill greatly appreciate it.
Heres the problem:An elevator is init
Supposed 1J is the energy transferred stretching a spring from 0 to 0.10m. The amount of working done stretching the same spring from 0.10 m to 0.20 m is?-It should be 3J.
The energy involved in a sp
A car is moving 15 m/s skids to a stop in 20m. If the car travels at 45 m/s. How far will it skid, assuming .. same constant braking force?-The work done on the car (by the friction in the road) equal
Since everything is entirely made up of atoms, why are things dependent on one another? For example, why does a human made up of atoms need to eat and drink substances made of atoms to survive? Also i
Im trying to do some studying but i cant find any websites-Here is all you could ever need:
https://sites.google.com/site/scienceand…-I like http://hyperphysics.phy-astr.gsu.edu/hba…from unexpected GA
if it does 10 meters in 5 seconds
then it does 2 meters in 1 second which is the speed
2m/s-10 metres in 5 seconds = 2 metres per second...-Formula is
speed= distance/time
10/5 is 2m/s-2 m/s-2 m/s
Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical downforce, which helps cars hug the track more securely. The coefficien
We know that the entropy of the universe increases for spontaneous processes. For example at T>0 ice melts and this increases the entropy. But at T-Entropy OF WHAT?
You know that thermal interactions
The plane of loop with dimensions 10 cm × 11 cm is initially perpendicular to a uniform 0.1 T magnetic field. Find the change in flux through the loop if it is turned through 150 degrees about an axis
