Physics question and answers for August 31, 2023
- Q a.) Is the acceleration due to gravity a constant or will itvary from place to place on Earth?b.) What about on another planet or moon?c.) How does Newton's second law...
- Q A river has a steady speed of 0.330 m/s. A student swimsupstream a distance of 1.00 km and swims back to the startingpoint.(a) If the student can swim at a...
- Q A battery of ? = 2.10 V and internal resistance R = 0.600? is driving a motor. The motor is lifting a 2.0 N mass atconstant speed v = 0.50...
- Q 1. If you need to do 1.6x10^-6 J of work in order to get acharge closer to another charge, what is the increase in potentialenergy in J of the moved...
- Q This is for thermodynamics:\"The latent heat of vaporization for water at 1 atm and 100degrees C is 2.26x103 kJ/kg. Calculate the latent heatfor water at 2 atm and 100 C...
- Q A force platform is a tool used to analyze the performance ofathletes measuring the vertical force that the athlete exerts onthe ground as a function of time. Starting from rest,...
- Q Consider a block attached to a spring in SHM with ?o=+?/4 andT=8 with A =10m.a) What is x(0), x(1), x(2 seconds)...? What is the equation forx(t)?c) what is the velocity...
- Q Write an essay of 1500 words, giving credible references on \"Howelectricity and magnetism will change our future transportation.\"Remember to follow the APA style and provide at least fivereferences.
- Q 1. You brew a mug of coffee, but it is too hot to drink! Youmeasure the temperature of the mug of coffee and find it is 180°F.You could cool it...
- Q The flywheel of an old steam engine is a solid homogeneous metaldisk of mass M = 112 kg and radius R = 80 cm. The engine rotatesthe wheel at 520...
- Q if an electron travels 0.200 m from an electron gun toa TV screen in 13.0 ns, what voltage ( inV) was used to accelerateit? (Note that the voltage you obtain...
- Q List how we are able to measure the age of the Universe.
- Q A car start from rest and travels towards a jeep. thejeep starts from rest at the same time with the car and travelstoward the car. the car and jeep is...
- Q Let's say that the dart is launched with initial velocitycomponents of 28.0 m/s horizontally and 6.72 m/s vertically.Imagine that this is taking place on a planet where theacceleration due to...
- Q In a series R-L-C circuit, R= 360 ohm , L= 0.410 H andC= 1.1*10^-2 micro F. 1.What is the resonance angular frequency ofthe circuit? 2. The capacitor can withstand a...
- Q If a spacecraft has a high specific mechanical energy, what doesthis tell us about the size of the orbit? Why?What is the specific mechanical energy, e, of an orbit with...
- Q (a) The sublimation energy of bulk gold is 334 Kjmol-1 and thesurface energy is 1.5 Jm2. What percentage ofthe bulk bonding energy is lost by atoms at the (111) surface...
- Q 1.A student bikes to school by traveling first dN = 1.00milesnorth, then dW = 0.500miles west, and finally dS = 0.200milessouth.If a bird were to start out from the origin...
- Q A system undergoes a change from one state to another along twodifferent pathways One being reversible and the other beingirreversible. What can be said about the relative magnitudes of qreversible...
- Q In the first stage of a two-stage rocket, the rocket is firedfrom the launch pad starting from rest but with a constantacceleration of 3.50 m/s2 upward. At 25.0 s after...
- Q The volume of a glass bottle is 500.00 ml at 18 ◦C and thelongitudinal coefficient of expansion of the glass are8.0*10−61 / ◦C. Benzene has a density of 0.880 g...
- Q A 5.0 mL syringe has an inner diameter of 5.5 mm , a needleinner diameter of 0.22 mm , and a plunger pad diameter (where youplace your finger) of 1.2...
- Q A 0.17- kg block on a wooden table is given a sharp blow with ahammer. The block then slides across the table to a stop. Thecoefficient of friction between the...
- Q (a) A positive point charge Q is placed at the center of a cube.Draw the field lines for this charge configuration. Include atleast 7 field lines and be sure to...
- Q A thin nonconducting rod with a uniform distribution of positivecharge Q is bent into a circle of radius R (seethe figure). The central perpendicular axis through the ring is az...
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