Heat that we can feel and is measurable is called: Heat cannot be measured Illogical Latent Sensible
What path can a light ray travel through the glass core of an optical fiber? angle of incidence angle of refraction light coupling mode
15 Convert the following temperatures from degrees Celsius to degrees Fahrenheit. a 40^circ C b 25^circ C C 28^circ C -10^circ C
A soccer player runs up behind a soccer ball (of mass 0.50 kg) that is moving at 3.5m/s in the same direction as the player. The soccer player kicks it and the ball moves with a speed of 13.5m/s What is the magnitude of the impulse (in kgm/s) delivered to the soccer ball? A 5.0 B 7.5 C 10 D 15
Two Students are discussing connecting the meter to measure amperage.Student A states the meter leads should be connected in parallel with the circuit.Student B states the meter leads should be connected in series with the circuit. Who is correct? Student A only Student B only Both Student A and Student B Neither Student A nor Student B
What is the acceleration of a train that takes 22 seconds to go from a speed of 73 kilometers per hour to a speed of 45 kilometers per hour? -1.3km/h/s 0.79km/h/s -1.3km/h^2 -1.1km/h/s -1.6km/hs
Which of the following describes the effect of beam filtration on the x-ray spectrum? It increases the number of low-energy photons It decreases the average energy of the beam It increases the average energy of the beam It increases patient dose
33. What are the two ways that light quality can be characterized? direct or indirect light bright and dim light hard and soft light round and curved light
Which statement accurately lists the arrangement of components found in a first-class lever? Fulcrum-resistance-force Fulcrum-force-resistance Resistance-fulcrum-force
(Lesson 1.01) A huge collection of gas, dust, and billions of stars held together by gravity describes a(n) asteroid belt. galaxy. planetary system. solar system.
Who gets credit for discovering Jupiter? Nobody Galileo Adams and Leverrier Tombaugh
What is the maximum duration for a Total Solar Eclipse from a location on the Earth? 7 min. 40 sec. 3 min. 20 sec. over 1 hour 1 min. 30 sec.
Which of the following is correct about Venus (Pick All Correct Answers)? is the hottest major planet in the Solar System has no natural satellites has a thick carbon dioxide atmosphere is about $1/3$ the size of Earth
A load is any device that uses: Power Resistance Heat Energy Weight
1. Inductance is the property of an electronic circuit that __ a. opposes any change in the applied voltage through that circuit. b. opposes any change in the current through that circuit. c. aids any change in the applied voltage through that circuit. d. aids any change in the current through that circuit.
Which of the following describes what happens as an object falls toward Earth? Acceleration increases. Gravity disappears. Mass increases. Acceleration decreases.
Which of the following is correct about Neptune (Pick All Correct Answers)? has the Great Dark Spot, periodically is bluish due to methane has an axial tilt of about 90 degrees had Voyager II visit it
A person weight is 1020 N on the ground level of Planet X. What is the person weight in a high-altitude balloon at 310 km above the ground? $(R_{Planetx}=15.5\cdot 10^{6}$ m and gPlanet $x=$ $18.5m/s^{2}$ 1012 N 993 N 986N 980 N
In an inductor, when the voltage waveform is at 270 degrees, the current waveform will be at __ a. maximum positive b. zero c. maximum negative d. rms value
The speed of a motor is determined by: 7,200 divided by the number of poles The horse power of the motor The rotor and the bearing size The number of windings in the rotor