How much electricity does it take to kill a human being? 0.1 amps 0.2 amps 0.5 volts 1.0 volts
How do dying stars contribute to the formation of planets? A. They emit helium gas that attaches to nearby planets. B. They remove low-mass elements from the planets crust. C. They cause nuclear fusion inside the inner core of planets. D. They produce heavy elements such as iron and gold.
__ is the measure of the quantity of matter. Mass Weight Density Volume
1. You can reduce the forces on you and your car during an unavoidable crash if you are able to redirect your path toward objects such as __ A. I trees, concrete enbankment, wall B. bushes, snow, soft dirt
What does the mass defect measure? A. The energy required to make a reaction happen B. The difference in mass between protons and neutrons C. The energy required to form a nucleus from its parts D. The mass of particles created in a nuclear reaction
The natural force that pulls vehicles towards the road is __ C gravity centripetal force friction
Not including thinking distance, lawful brakes must stop a car at 20 miles per hour within how many feet? 25 feet 10 feet 30 feet 20 feet
How is it possible to produce a magnetic field around a non -magnetic wire? How can the orientation of the lines of force in that magnetic field be determined? square
Calculate the energy of a red light photon with a frequency of 5.00times 10^14
Multiple Choice Question Which class is a lever with the effort between the fulcrum and the resistance? Third Second First
Which statement about temperature is correct? Temperature can measure the kinetic energy between two objects. Temperature can measure the heat movement between two objects. Temperature can measure the potential energy between two objects. Temperature can measure the mass transfer between two objects.
Reasoning:Explain how energy is transferred through the water.
What happens to an object when it absorbs light? A. It gets colder B. It gets warmer C. It changes material D. It becomes transparent
What happens to the total momentum of two objects after a collision? It remains the same It decreases It becomes zero It increases
14. What is the net force acting upon an object which is subjected to the following forces? 3 Newtons South 3 Newtons North 5 Newtons East 7 Newtons West 2 Newtons West 18 Newtons North 6 Newtons West 18 Newtons South
You should write the definition of the key vocabulary down here. Balanced forces Unbalanced forces Equilibrium Constant velocity Force Net force Mass Inertia Acceleration Directly proportional Inversely proportional Newton's 1st law of motion Newton's 2nd law of motion Newton's 3rd law of motion Weight
18. A force $F(x)=10x(inN)$ acts over a displacement from $x=0$ to $x=3$ m. What is the work done?
17. How much power is exerted when you lift a 60-kg rock to a height of 25 m in 30 seconds?
A 60 kg sprinter is running at a velocity of $8m/s$ during a race Calculate the sprinter's kinetic energy. 240J 480 J 3,480J 1,920 J
When using a megger to check insulation resistance to ground, which of the following would be an acceptable minimum resistance? a. $1K\Omega $ b. $5K\Omega $ c. $1M\Omega $ d. $25\Omega $
