Master Physics with Fun Quizzes & Brain Teasers!

BRAINLIEST AND 100 POINTSWhat are some of the challenges for manned space exploration associated with the distance from Earth?Select all correct answers. 1. No resupply2. Delayed communication3. Freezing temperatures4. No medical support
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The work done on an amount of charge in a circuit is calculated by the equation W = Vab It. How can this equation be converted to express the power P for the circuit? A.multiply both sides of the equation by IB.divide both sides of the equation by t*C.divide both sides of the equation by VabD.multiply both sides of the equation by Q
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The equation for the acceleration of a body moving in a circle is , where a is acceleration, v is velocity, and r is the radius of the circle. Acceleration has units of m/s2.Solve the equation for velocity.
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What happens when two waves, such as waves on a lake, come from different directions and run into each other
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How can Bernoulli's principle be used in explaining the reasons behind air going up the chimney of a house
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The kinetic energy of an object is increased by a factor of 4.By what factor is the magnitude of its momentum changed
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A string is wrapped around a wheel of radius 30 cm mounted on a stationary axle. The wheel is initially not rotating. You pull the string with a constant force through a distance of 32 cm. What is the angle in radians and degrees through which the wheel rotates
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A rope is attached from a truck to a 1442 kg car. The rope will break if the tension is greater than 2306 N. Neglecting friction, what is the maximum possible acceleration of the truck if the rope does not break
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A 63 kgkg person starts traveling from rest down a waterslide 8.0 mm above the ground. At the bottom of the waterslide, it then curves upwards by 1.0 mm above the ground such that the person is consequently launched into the air. Ignoring friction, how fast is the person moving upon leaving the waterslide
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A string that is stretched between fixed supports separated by 50.0 cm has resonant frequencies of 1127 and 966.0 Hz, with no intermediate resonant frequencies. What are (a) the lowest resonant frequency and (b) the wave speed
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Let the length of each slide be 9.5 cm and the wavelength of the light be 592 nm. What is the separation d, in meters, of the end of the slides if the dark bands across the slides are 0.11 cm apart
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the main sequence star line tells us that the hotter the star, the more luminous it is (Recall the Stefan-Boltzmann Law). Groups 2 and 3 seem to defy this rule. What else is affecting the luminosity of the stars
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What is the strength of the total magnetic field (resultant field from both loops) at the center of the second current carrying loop
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three photons with wavelength 505 nm striking the retina of an eye. What is the total energy of the photons striking the eye
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30 . A negative charge is placed at the center of a ring of uniform positive charge. What is the motion (if any) of the charge
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Calculate the de Broglie wavelength of: a) a He atom traveling at 1000 m/s (a typical speed at room temperature) b) Yourself traveling at 8 km/h (jogging speed)
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