What is the impact of increasing sector width on temporal resolution? Temporal resolutior decreases Temporal resolution increases There is no effect on temporal resolution Resolution is increased and multiplied by two
Multiple Choice Question Which item would be considered the most elastic? A candy bar A cup of coffee A car
The element's ability to convert pressure energy into electric energy is known as: Attenuation Acoustic impedance Refraction Piezoelectric
Keeping in mind the average reaction time, a motorist will travel 11 feet for each __ of speed before hitting the brake. 20 mph 10 mph 5 mph 15 mph
Which of the following properties must be measured to determine the masses of stars in a typical binary system? Choose one or more: A. the radii of the two stars B. the velocities of the two stars C. the average separation between the two stars D. the period of the orbits of the two stars
(1 of 10) What is the cosmic horizon? The maximum distance from us through which light from any object has had time to travel since the Big Bang. A space probe tasked with measuring the temperature of the cosmic microwave background radiation. The distance at which the curvature of the Universe prohibits us from seeing over the horizon. The distance from a black hole at which the escape velocity is equal to the speed of light.
Hand tools made of brass or bronze produce __ sparks, which will not ignite flammable vapors. Oblue Oalloy cold
What is the required pressure to push two inches of water in order to pass through the trap seal? three inches two inches one inch
A stone sphere of radius 7.00 m rests in a flat field. Relative to the ground, what is the gravitational potential energy of a 90.0-kg person sitting on the very top of the sphere? 1.23times 10^4J 7.76times 10^4J 3.88times 10^4J
17. When no air resistance acts on a projectile, its horizontal acceleration is a) g. b) at right angles to g. c) centripetal. d) zero.
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 $