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NEWTON'S LAWS
1. How much net force is needed to accelerate a 15kg mass at 2.8 m/s2?
2. Delon's car is dead. He is pushing it to the east out of the parking lot with a force of 250N. carter, being a good friend, comes to help and also pushes east with a force of 75N. If Delon's car has a mass of 750kg, what is the car's acceleration?
3. Hunter is pulling on his little red wagon to the west with a force of 125N. Luke doesn't want him to take the wagon so he is pulling in the opposite direction with a force of 75N. If the wagon has a mass of 15kg, what is the wagon's acceleration?
4. A plane's engine is pushing it north with a force of 1250N(weak engine). The wind is blowing to the east with a force of 125N. If the plane is a 775kg mass, what is the magnitude of its acceleration?
5. A 50.0kg box is being pulled by two teams of people. Team Sicily is pulling on the box with a force of 324N @ 40.0° N of E. Team Jamaica is pulling on the box with a force of 856N @ 20.0° W of N. What is the resultant acceleration of the box? (There are NINE calculations needed to get to the proper answer!)
question1a small steel ball bearing with a mass of 30.0 g is on a short compressed spring. while aimed vertically and
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m
A proton at the origin is moving in the positive x direction at 3.7x10^4 m/s, and at that moment the electric field is 7.9x10^3 N/C, What is the electromagnetic force on the proton at that moment
What is the volume of blood pumped by your heart in one day,
1. The energy of a 2.00 keV electron is known to within ±3.00%. How accurately can its position be measured?2. The work function of a material is 3.5 eV. If the material is the illuminated with monochromatic light (l = 300 nm)
Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How various kilograms of..
Two 27.0 cm focal length converging lenses are placed 16.5 cmapart. An object is placed 35.0 cm in front of one. What is the total magnification
The wheel of the car has a radius of 0.340 m. The engine of the car applies a torque of 282 N•m to this wheel, that does not slip against the road surface. Since the wheel does not slip, the road must be applying the force of static friction to the w..
Nothing, the charges are too cold to deliver any response. D. There is a localization of negative charge near the door handle.
In an angle of repose experiment a block is held near thetop of an inclined plane (length = 100 centimeters). Calculate the coefficient of friction for the block on the plane
A typical wall outlet is 120 volts in the U. S. Personal MP3 players require much smaller voltages, calculate the number of turns on the secondary coil of the adapter transformer
If the velocity of your spaceship goes from 0.3c to 0.6c, then compute how much will your mass increases
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