Physics question and answers for April 05, 2024
- Q A vertical solid steel post 27 cm in diameter and 2 8 m long is required to support a load of 8618 kg You can ignore the weight of the...
- Q Two students each build a piece of scientific equipment that uses a 855 mm long metal rod One student uses a brass rod the other an invar rod Part A...
- Q By how much does a 65 kg mountain climber stretch her 0 545 cm diameter nylon rope when she hangs 46 m below a rock Dutcropping For nylon Y 1...
- Q For the demand function q D p 433 p find the following a The elasticity b The elasticity at p 124 stating whether the demand is elastic inelastic or has...
- Q A vertebra is subjected to a shearing force of 458 N Find the shear deformation taking the vertebra to be a cylinder 9 66 cm high and 4 16 cm...
- Q Bonnie owns a cheese shop She just got 3 different cylindrical wheels of cheese The ta below shows the mass diameter and height of each wheel of cheese Cheese Manchego...
- Q tangular beam of breadth 100 mm and depth 300 mm is simply supported over a span of 4 m beam is loaded with a uniformly distributed load of 5 kN...
- Q The temperature of a iron bar rises by 10.0C when it absorbs 2.35 kJ of energy by heat. The mass of the bar is 525 g. Determine the specific heat...
- Q In the above structure use the following values: s= 1.012 m; u = 3.473 m; v = 4.375 m; M = 9.817 N*m; F = 1.199 N; w= 4.408 N/m....
- Q A rigid sphere has a valve that can be opened or closed. The sphere with the valve open is placed in boiling water in a room where the air pressure...
- Q Which of the following is true for 1 mol Cu and 1 mol Au?They have equal massThey have equal molar massThey have the same atomic massThey contain the same number...
- Q (Figure 1) shows a lightweight plank supported at its right end by a 7.0-mm-diameter rope with a tensile strength of 6.0x 10^7 N/m.
- Q Many diseases, including COVID-19, spread because the virus is carried by tiny particles (diameter 10 m) suspended in air, emitted when people sneeze, cough, exhale, and talk. A recent study...
- Q Larger animals have sturdier bones than smaller animals. A mouse's skeleton is only a few percent of its body weight, compared to 16% for an elephant. To see why this...
- Q The Achilles tendon connects the muscles in your calf to the back of your foot. When you are sprinting, your Achilles tendon alternately stretches, as you bring your weight down...
- Q A mineshaft has an ore elevator hung from a single braided cable of diameter 2.5 cm. Young's modulus of the cable is 10 x 10^10 N/m. When the cable is...
- Q A solid rod is held fixed at one end while an 8000 N force pulls on the other end. The rod is in the shape of a cylinder with a...
- Q There is little geological activity on the terrestrial planets and icv moons.TrueFalseThe composition of the planets gives another clue about origins.TrueFalse
- Q The bulk modulus for bone is 13 GPa. (a) If a diver-in-training is put into a pressurized suit, by how much would the pressure have to be raised (in atmospheres)...
- Q A vertical, solid steel post 30 cm in diameter and 2.5 m long is required to support a load of 8014 kg. You can ignore the weight of the post....
- Q The bulk modulus of a material is 7.89 x 10 N/m. What fractional change in volume does a piece of this material undergo when it is subjected to a bulk...
- Q The lead in pencils is a graphite composition with Young's modulus of approximately 1.0x10? N/m. Calculate the change in length of the lead in an automatic pencil if you tap...
- Q The bulk modulus of a material is 7.63*10 N/m. What fractional change in volume does a piece of this material undergo when it is subjected to a bulk stress increase...
- Q A hollow ball with a diameter of 3.81 cm has an average density of 0.0839 g/cm. What force must be applied to hold it stationary while it is completely submerged...
- Q Which of the following correctly pairs a phase of matter with its description?Solid: Particles have no motion.Liquid: Particles expand to fill any container in which they are placed.Gas: Particles have...
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