Physics question and answers for August 28, 2023
- Q Question #10: What is the basic character for RC circuit? Inother words, how do the current and voltage change with time? Whatabout the discharging? What is the time constant? How...
- Q Two phenomena for waves you have seen this week areinterference, specifically spatial, and resonance.For each phenomenon, describe briefly what is happening and why,then considering that each one can be good...
- Q I can't understand the difference between 'the workthe electric force does' and 'the work the electric field does'.Could you explain it in detail?
- Q In proton beam therapy, a beam of high-energy protons is used tokill cancerous cells in a tumor. In one system, the beam, whichconsists of protons with an energy of 2.8×10−11J,...
- Q A see-saw made from 4 meter board sits on a pivot at its center.A child weighing 280 N sits 1.75 m away from the center. A secondchild who weighs 330...
- Q (1) The earth's radius is 6.37×106m; it rotates once every 24hours.(A) What is the speed of a point on the equator?(2) The (Figure 1) shows two thin beams joined at...
- Q Part AFind the kinetic energy of a 1.84×103 kg satellite ina circular orbit about the Earth, given that the radius of theorbit is 1.46×104 miles.Part BHow much energy is required...
- Q Moderating a Neutron In a nuclear reactor, neutrons released bynuclear fission must be slowed down before they can triggeradditional reactions in other nuclei. To see what sort of materialis most...
- Q 4) Block 1 of mass 200 kg slides over a frictionless surfacewith a velocity of 0.25 cm/s and strikes block 2 of mass 100 kgsliding to the left at 0.75...
- Q An empty rubber balloon has a mass of 0.0105 kg. The balloon isfilled with helium at a density of 0.181 kg/m3. At this density theballoon is spherical with a radius...
- Q You are pushing a 6·kg block across a table so that it isspeeding up with an acceleration of 2·m/s2.(a) What is the net force acting on the block?______N(b) In addition...
- Q -Understand the difference between mass andweightWithout altering their eating habits or exercising, what can aperson do to increase or decrease their weight? Mass?
- Q A frictionless cart of mass ? = 4.00 kg has a shape of a rampwith an incline angle ? = 60.0°. The ramp is pulled by a constanthorizontal force ?...
- Q Relative humidity isn't everything. Why is it that outdoor airof 80 Fo at 55% humidity will feel more “muggy†than a 50 Fo caveat 75% humidity? What other parameter is...
- Q A mass is moving at 10 m/s in the +x direction and it collidesin a perfectly elastic collision with a mass of 4 kg moving in the-x direction. The collision...
- Q 1. A ball of negligible size and a given mass is attached to avertical spring that obeys Hooke's law. The mass is set inoscillation in a vertical direction. At equilibrium,...
- Q Standard test conditions (STC) for panels are 1000W/m2incoming radiation, panel oriented normal to thesun, and 25 °C.  If all other conditions are the same butwe decrease the temperature, how will this...
- Q Design an experiment to test physical quantities that affect theperiod of a pendulum. Use Experiment 1: Oscillating Spring to guideyour experimental procedure. You are provided the mass set andstring for...
- Q Steam at 100 °C is bubbled into 2.70 kg of water at 25 °C in acalorimeter cup. How much steam will have been added when the waterin the cup reaches...
- Q What is the ideal mechanical advantage in using a (frictionless)ramp to raise a mass of 9 kg that is at an angle of theta θ = 22degrees. Explanation needed please....
- Q Global warming has been linked to the growth of population ofsome insects and pests in cooler areas where they have not beenpreviously seen. What global systems does this population growthaffect?...
- Q What is the abjective, goal, abstract, and purpose of rotationalkinetic energy lab in physics
- Q 1) While standing on a stationary skateboard, Sunita catches aheavy ball thrown to her by a friend in the direction that theskateboard is pointing. What is the result of her...
- Q A uniform ladder stands on a rough floor and rests against africtionless wall as shown in the figure. 2 58 1 Since the floor isrough, it exerts both a normal...
- Q As a city planner, you receive complaints from local residentsabout the safety of nearby roads and streets. One complaintconcerns a stop sign at the corner of Pine Street and 1st...
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