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Physics and friction.
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∙ 14y ago
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Why does an endothermic reaction feel cold if energy is being absorbed?
Because the energy(heat) is being pulled out of your hand. Heat transfer from the hottest substance to the coldest
A small wagon rolls down a ramp and comes to a stop what forces act to stop the wagon?
Gravity pulls the wagon down the ramp. Friction from the tires on the ground slows the wagon. Wind resistance (friction from the air) slows the wagon as well. Gravity also helps slow the wagon down once it is off the ramp and the wagon is rolling on a level surface.
How does the control rod affect the rate of reaction in the nuclear reactor?
A control rod is made of a neutron absorbing material. Boron is common. When the control rod is withdrawn (pulled out) of the reactor, the fission reaction rate increases. When that control rod is inserted, the reaction rate decreases. There are other factors that control the reaction rate, but the rods can be considered as the way to start up or shut down the reactor by pulling or inserting them.
Why does a child on a toboggan fall back when the toboggan is given a sharp tug?
A child in a wagon seems to fall backward when you give the wagon a sharp pull forward because the force that is exerted on te wagon is greater than the force of the friction pushing the child forward while the wagon is accelerating forward. If the force was great enough or if the wagon were to continue being pushed with a constant or increasing force, the child would eventually fall off the wagon. If the wagon's surface had no friction and there was no wind blowing against the wagon but there was friction on the ground the wagon is rolling on, then the child would stay in the same position and would fall of the wagon if the wagon were to travel far enough. If the surface of the wagon had no friction, there was no other force stopping the wagon, then the child wouldn't move his position while the wagon wouldn't stop ever making it so the child had to eventually fall assuming the wagon is finite and doesn't go all the way around in a circle around a center of gravity.
Two men work on an ice wagon the one in the front of the wagon weighs 175 lbs what does the man in the back of the wagon weigh?
Ice.
What open wagon pulled by a horse?
In Britain, an open (flat bed) wagon pulled by a horse is known as a cart.
Im pulled by a horse?
its a wagon
How would the movement of the wagon be affected if she pulled harded on the wagon?
charge the frat of the speed of the person.
What pulled a conestoga wagon?
mules horses and pony (ocasionally)
Before reindeers what pulled St. Nickola's wagon?
donkeys
Where is the diagnostic hookup for a 1997 Volvo 960 wagon?
It is in the console near the parking break handle when it is pulled on, on the right side under a small access panel.
Before reindeer what pulled St. nickola's wagon?
donkeys
What is a Hoover wagon?
trucks pulled by a horse or mule! -`DaliyaLynn<3
What are sentences with 'wagon' for small kids?
The little girl decided to ride her toy wagon around the yard, giggling with joy. The boys filled their wagon with colorful blocks and pulled it around the room, pretending it was a train. Mom packed snacks and drinks in the wagon for a fun afternoon picnic in the park.
A 20kg toy wagon is pulled with an applied force of 35N. if the handle of the wagon is at 45, and the coefficient of friction is 0.1, find the acceleration of the wagon?
9.19 m/s^2
What was the purpose of a wagon train during the American Civil War?
The wagon trains would be pulled by horses so that is how people were able to use the wagon train as transportation for both people and supplies needed for war.
What is a two-wheeled vehicle pulled by a horse?
An ancient two wheeled cart pulled by horses are called chariots. They were used as transportation that started in the biblical era.
