Physics question and answers for August 23, 2023
- Q A 150-V battery is connected across two parallel metal plates ofarea 28.5 cm2 and a separation of 8.20 mm. A beam ofalpha particles (charge +2e, mass 6.64E-27 kg) is accelerated...
- Q 3) A piece of metal with a mass of 3.8 kg and density of 1808kg/m3 is suspended from a string and then completely immersed in acontainer of water. The density...
- Q A boxed 15.0 kg computer monitor is dragged by friction 6.50 mup along the moving surface of a conveyor belt inclined at an angleof 36.8 ∘ above the horizontal. If...
- Q A skydiver, weighing 180 lb (including equipment) fallsvertically downward from an altitude of 4000 ft and opens theparachute after 10 s of free fall. Assume that the force of airresistance,...
- Q Suppose that a car oscillates vertically as if it were a mass ofm = 800 kg on a single spring with spring constant k = 7 × 104 N/mwhich is...
- Q at the local county fair, you watch as a blacksmith drops a0.50kg iron horseshoe into a bucket containing 25kg of water. Ifthe initial temperature of the horseshoe is 450C and...
- Q Do equipotential lines get closer together or further apart at asharp corner of a cconductor? what about the electric field lines?What does this indicate about the electric field strength in...
- Q A spherical weather balloon is filled with hydrogen until itsradius is 3.40 m. Its total mass including the instruments itcarries is 11.0 kg.(a) Find the buoyant force acting on the...
- Q The greater the speed of a satellite, the shorter its orbitalperiod. T/F
- Q Two point charges lie on the x axis. A charge of -2.3 x 10-6 Cis at x=-5 cm, and a charge of +9.2 x 10-6 C is at x=12 cm....
- Q Reading this PE questioncan-we-transport-energy-over-infinite-distances-through-vacuum-using-light,a related question arises naturally:Is energy transported (by light)? -- (I did believed in thisanswer until now) or energy is already 'in site' (vacuum) justexpecting to be...
- Q A conduction electron is confined to a metal wire of length 13.2cm. By treating the conduction electron as a particle confined to aone-dimensional box of the same length, find the...
- Q With a plane wave, I always took the direction of thewavevector, k, as the direction of propogation (magnitudeproportional to the inverse wavelength). Alternatively, it couldrepresent the momentum (minus a factor...
- Q You are shipwrecked and floating in the middle of the ocean ona raft. You have a treasure chest full of gold. Your raft is barelyafloat, so you have two choices...
- Q A bullet of mass 2.0×10−3 kgkg embeds itself in awooden block with mass 0.981 kgkg , which then compresses a spring(kkk = 130 N/mN/m ) by a distance 5.5×10−2 mm...
- Q A series RLC circuit consists of a 58.0 ? resistor, a2.50 mH inductor, and a 450 nF capacitor. It is connected to a 3.0kHz oscillator with a peak voltage of...
- Q You hold a ruler that has a charge on its tip 4 cm above a smallpiece of tissue paper to see if it can be picked up. The ruler has−14...
- Q A river has a steady speed of 0.650 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 The drawing shows a square, each side of which has a length of L= 0.250 m. Two different positive charges q1 and q2 are fixed atthe corners of the square....
- Q Olive and her friend Wellington are playing down by CaptainDon's docks when they find an old chain. The old chain has onlythree links. By measuring with an old fish scale...
- Q Niels Bohra.) A dense explanation of the Bohr model. explanations ofpracticum used, derivations, and examples.b.) Has future work disproven/improved/built on thisdiscovery?c.) how is this discovery important?
- Q Light strikes aflat piece of uniformly thick glass at an incident angle of60?.If the index of refractino of the glass is 1.5, and it has a widthof 10 cm,A) What...
- Q 1. A healthy diastolic blood pressure at the level ofthe heart is about 104 Pa. Assuming blood has a density of 1.1g/cm3, what is the diastolic blood pressure in the...
- Q A flat square sheet of thin aluminum foil, 30 cm on a side,carries a uniformly distributed 285 nC charge.Part A What, approximately, is the electric field 1.0 cm abovethe center...
- Q The length, width, and height of a room are measured to be 4.1meters, 3.2 meters, and 2.4 meters, respectively. Each measurementis subject to a 1% error. Find the volume of...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!