Browse 0-9

1. A 57 kg boy and a 40 kg girl use an elastic rope while engaged in a tug-of-wa

1. A 57 kg boy and a 40 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.3 m/s2, determ…

1. A 575 kg meteorite is traveling at 90.0 m/s vertically down when it is 850 km

1. A 575 kg meteorite is traveling at 90.0 m/s vertically down when it is 850 km above the Earth. It strikes a bed of sand and digs a crater that is 3.25 m deep in the sand. a. Ho…

1. A 58 g steel ball is released from rest and falls vertically onto a steel pla

1. A 58 g steel ball is released from rest and falls vertically onto a steel plate. The ball strikes the plate and is in contact with it for 0.5 ms. The ball rebounds elastically,…

1. A 58.0-?F capacitor is connected to a generator operating at a low frequency.

1.A 58.0-?F capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 5.50 V and is constant. A fuse in series with the capacitor has…

1. A 5g bug is sitting on the edge of a horizontal disk. The disk has a mass of

1. A 5g bug is sitting on the edge of a horizontal disk. The disk has a mass of 10kg and a diameter of .5m. Together, the bug and disk are rotating at 100rpm. a. What is the total…

1. A 5mW laser puts out a narrow beam of 2mm indiameter. What are the average va

1. A 5mW laser puts out a narrow beam of 2mm indiameter. What are the average values of the B and E in thebeam? 2. Fill in response:    a.   Electromagnetic waves travelat the spe…

1. A 6.5-cm by 2.3-cm parallel plate capacitor has the plates separated by a dis

1. A 6.5-cm by 2.3-cm parallel plate capacitor has the plates separated by a distance of 2.1 mm. (a) When 4.0 10-11 C of charge is placed on this capacitor, what is the electric f…

1. A 60 kg Olympic diver climbs up to a diving platform 8 meters above a swimmin

1. A 60 kg Olympic diver climbs up to a diving platform 8 meters above a swimming pool. (a) How much gravitational energy did she gain by climbing up to the platform (in Joules)? …

1. A 60% w/w solution of nicotine in water is heated from 22°C to 80°C. This pro

1. A 60% w/w solution of nicotine in water is heated from 22°C to 80°C.  This process is termed: isothermal isoplethal isocratic isobaric adiabatic 2. The nicotine concentrations …

1. A 61.0 g tennis ball with an initial speed of 35.0 m/s hits a wall and reboun

1. A 61.0 g tennis ball with an initial speed of 35.0 m/s hits a wall and rebounds with the same speed. The figure below shows the force of the wall on the ball during the collisi…

1. A 65-kg ice skater stands facing a wall with his arms bent and then pushes aw

1. A 65-kg ice skater stands facing a wall with his arms bent and then pushes away from the wall by straightening his arms. At the instant at which his fingers lose contact with t…

1. A 65-kg ice skater stands facing a wall with his arms bent and then pushes aw

1. A 65-kg ice skater stands facing a wall with his arms bent and then pushes away from the wall by straightening his arms. At the instant at which his fingers lose contact with t…

1. A 65.0 kg person stands on a scale in an elevator. (a) What does the scale re

1. A 65.0 kg person stands on a scale in an elevator. (a) What does the scale read (in kg) when the elevator is at rest? kg (b) What does it read when the elevator is climbing at …

1. A 66-year-old woman complains of high fever, and nonproductive cough of 2 day

1. A 66-year-old woman complains of high fever, and nonproductive cough of 2 days’ duration. She is fatigued also. She says that this is the second time in two years that she has …

1. A 670 kg meteorite happens to be composed of aluminum. When it is far from ea

1. A 670 kg meteorite happens to be composed of aluminum. When it is far from earth, its temperature is -15 degrees Celsius and it moves with a speed of 14 km/s relative to the ea…

1. A 69.0-kg ice skater is moving at 4.10 m/s when she grabs the loose end of a

1. A 69.0-kg ice skater is moving at 4.10 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.860 m aro…

1. A 7.00 kg bowling ball collides head-on with a 2.00 kg bowling pin. The pin f

                    1. A 7.00 kg bowling ball collides head-on with a 2.00 kg bowling pin. The pin flies forward with a speed of 3.07 m/s. If the ball continues forward with a    …

1. A 7.73 nC charge is located 1.87 m from a 3.86 nC point charge. Find the magn

1. A 7.73 nC charge is located 1.87 m from a 3.86 nC point charge. Find the magnitude of the electrostatic force in one charge exertson the other. Is the force attractive or repul…

1. A 70-W green laser (lambda = 514 nm) shines uniformly in all directions. a. (

1. A 70-W green laser (lambda = 514 nm) shines uniformly in all directions. a. (2 pts) What is the energy of the photons emitted by this laser [in eV]? b. (3 pts) How many photons…

1. A 71-year-old male patient comes to the hospital after having been previously

1. A 71-year-old male patient comes to the hospital after having been previously diagnosed with benign prostatic hypertrophy with urinary obstruction. Due to this condition, the p…

1. A 72-year-old woman is brought into the emergency suite with severe chest pai

1. A 72-year-old woman is brought into the emergency suite with severe chest pain. Upon questioning by the admitting physician, she also reports a shortness of breath and dizzines…

1. A 72.1 ml sample of ethyl alcohol contains 14.6 grams of ethyl alcohol and 53

1. A 72.1 ml sample of ethyl alcohol contains 14.6 grams of ethyl alcohol and 53.6 grams of water. Ethyl alcohol has a molecular weight of 46.067 g/mol. Water has a density of 1.0…

1. A 73.0-kg crate is given a push so that it is initially moving at a speed of

1. A 73.0-kg crate is given a push so that it is initially moving at a speed of 4.30 m/s across the horizontal floor. The coefficient of friction between the crate and the floor i…

1. A 75 kg bobsled is pushed along a horizontal surface by two athletes. After 4

1. A 75 kg bobsled is pushed along a horizontal surface by two athletes. After 4.5 m from rest, the bobsled has a speed of 6.0 m/s. How much force did the two athletes push with? …

1. A 75 kg child riding a Ferriswheel (radius = 9.0 m) travels in a vertical cir

1.      A 75 kg child riding a Ferriswheel (radius = 9.0 m) travels in a vertical circle. The      wheel completes one revolutionevery 12 s. a.       A.What is the apparent weight…

1. A 75 kg secret spy skis down a friction-less hill that is 5 m high. At the bo

1. A 75 kg secret spy skis down a friction-less hill that is 5 m high. At the bottom it levels out and he grabs a 25 kg bag of secret ”stuff”. The spy then skis off a 2 m high led…

1. A 75 kg secret spy skis down a friction-less hill that is 5 m high. At the bo

1. A 75 kg secret spy skis down a friction-less hill that is 5 m high. At the bottom it levels out and he grabs a 25 kg bag of secret ”stuff”. The spy then skis off a 2 m high led…

1. A 75.0kN spaceship comes in for a vertical landing. From an initial speed of

1. A 75.0kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s, it comes to rest in 2.30min with uniform acceleration 2. At a construction site, a 29.0k…

1. A 750 ml, 0.5 solution of NaOh has a density of 1.7 g/mL.What is the mass per

1. A 750 ml, 0.5 solution of NaOh has a density of 1.7 g/mL.What is the mass percent of NaOh in the solution? also how do you solve for H?    ln(760/41) = H/8.3145 (1/(25+273) - 1…

1. A 77 kg athlete is sprinting at 9.3 m/s. During ground contact of one stride

1. A 77 kg athlete is sprinting at 9.3 m/s. During ground contact of one stride the athlete’s Achilles tendon stretches 9 mm. How much strain energy is stored in the tendon if it …

1. A 77 kg athlete is sprinting at 9.3 m/s. During ground contact of one stride

1. A 77 kg athlete is sprinting at 9.3 m/s. During ground contact of one stride the athlete's Achilles tendon stretches 9 mm. How much strain energy is stored in the tendon if it …

1. A 8.00-kg object is hung from the bottom end of a vertical spring fastened to

1. A 8.00-kg object is hung from the bottom end of a vertical spring fastened to an overhead beam. The object is set into vertical oscillations having a period of 1.80 s. Find the…

1. A 8.08-nC charge is located 1.92 m from a 3.90-nC point charge.(a) Find the m

1. A 8.08-nC charge is located 1.92 m from a 3.90-nC point charge.(a) Find the magnitude of the electrostatic force that one charge exerts on the other. N (b) Is the force attract…

1. A 8.6 µF capacitor is charged by a 9.00 V battery through a resistance R . Th

1. A 8.6 µF capacitor is charged by a 9.00 V battery through a resistance R. The capacitor reaches a potential difference of 4.20 V at a time 3.09 s after charging begins. Find R.…

1. A 85.0-kg speed skier has finished a long down hill race and reaches a final

1. A 85.0-kg speed skier has finished a long down hill race and reaches a final slope (fig. 1 below) designed to slow her down. At the bottom of this slope her speed is 29.0 m/s. …

1. A 870 N crate rests on the floor. (a) How much work is required to move it at

1. A 870 N crate rests on the floor. (a) How much work is required to move it at constant speed 6.7 m along the floor against a friction force of 180 N? J (b) How much work is req…

1. A 88.3 g sample of metal at 95.24 o C is added to 35.10 g of water that is in

1. A 88.3 g sample of metal at 95.24 oC is added to 35.10 g of water that is initially at 17.27 oC. The final temperature of both the water and the metal is 29.20oC. The specific …

1. A 9.157 mol sample of methane gas is maintained in a 0.8013 L container at 30

1. A 9.157 mol sample of methane gas is maintained in a 0.8013 L container at 302.7 K. What is the pressure in atm calculated using the van der Waals' equation for CH4 gas under t…

1. A 90.0-kg astronaut is working on the engines of his ship, which is drfting t

1. A 90.0-kg astronaut is working on the engines of his ship, which is drfting through space with a constant velocity. The astronaut, wishing to get a better view of the Universe,…

1. A 90Kg man is walking up a 45° inclined wooden ramp dragging a 100 KG, 2x2x2

1.      A 90Kg man is walking up a 45° inclined wooden ramp dragging a 100 KG, 2x2x2 meter cubic wooden crate, behind him by means of a rope slung over his shoulder. The rope is a…

1. A 95% confidence interval to estimate a populationparameter from a large samp

1. A 95% confidence interval to estimate a populationparameter from a large sample is approximately four standard errorswide. True 2. For low degrees of freedom the t-distribution…

1. A 95% confidence interval to estimate a populationparameter from a large samp

1. A 95% confidence interval to estimate a populationparameter from a large sample is approximately four standard errorswide. True 2. For low degrees of freedom the t-distribution…

1. A BOX CONTAINS 3 YELLOW, 2 BLUE, AND 4 REDPENCILS. SUPPOSE YOU CHOOSE A PENCI

1.   A BOX CONTAINS 3 YELLOW, 2 BLUE, AND 4 REDPENCILS. SUPPOSE YOU CHOOSE A PENCIL, REPLACE, THEN CHOOSE ANOTHER.FIND THE PROBABILITY OF CHOOSING YELLOW, THEN RED. 2. REFER TO PR…

1. A BSR instruction at address $80006 calls a subroutine located at address $80

1. A BSR instruction at address $80006 calls a subroutine located at address $80500. What address is pushed onto the stack? Note: Address A7 contains $6004. 2. If A5 contains 0001…

1. A Ball is thrown upward at an angle 90 degree to the ground. At the top of th

1. A Ball is thrown upward at an angle 90 degree to the ground. At the top of the motion, which quantities are zero? a. acceleration b. displacement c. velocity d. force e. none o…

1. A Boeing 747 airplane is flying at the elevation of 2,000 km with the constan

1. A Boeing 747 airplane is flying at the elevation of 2,000 km with the constant speed of 250 m/s in the horizontal direction at 200 km away from the Baton Rouge airport (BTR). T…

1. A Boy found a bicycle lock for which thecombination was unknown. The correct

   1. A Boy found a bicycle lock for which thecombination was unknown. The correct combination is afour-digit number,d1d2d3d4, wheredi, i = 1,2,3,4, is selected from 1,2,3,4,5,6,7…

1. A Boy found a bicycle lock for which thecombination was unknown. The correct

   1. A Boy found a bicycle lock for which thecombination was unknown. The correct combination is afour-digit number,d1d2d3d4, wheredi, i = 1,2,3,4, is selected from 1,2,3,4,5,6,7…

1. A Broadway theater sells weekday show tickets at a lower price than for a wee

1. A Broadway theater sells weekday show tickets at a lower price than for a weekend show. This is an example of: price discrimination. peak-load pricing. price discrimination or …

1. A C program contains the following statements: char u, v = ‘A’ ; char *pu, *p

1. A C program contains the following statements:           char u, v = ‘A’ ;     char *pu, *pv = &v;      *pv = v + 1;       u = *pv + 1;       pu = &u; Suppose each char…