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Physics 101 Mechanics Q&A Archive of November 17, 2021

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November 17 of 2021

The asteroid 243 Ida has its own small moon, Dacytl. Another such system, asteroid 624 Hector, has a mass of 7.9•10^18 kg, with its moon orbiting at a radius of 623.5km and a period of 2.965 days. Given that the orbital radius of Daryl is 108 km, and it’s period is 1.54 days, is the mass of 243…
Can you please explain part C in a detail?
Monochromatic light with a wavelength of 467 nm is directed upon a single thin slit. A screen located a distance of 2.94 m away from the slit captures the interference pattern, which contains a central maxima having a linear width of 6.7 mm. What must the slit width be, measured in mm?
A solid, transparent plastic cube has sides with a length of 5.63 cm. At the center of the cube is a small, colored bead. When viewed straight on, the appears to be a distance of 3.32 cm from the edge of the cube. What is the index of refraction regaring the solid plastic material. Assume that…
Monochromatic light with a wavelength of 616 nm is directed upon a single thin slit having a slit width of 0.407 mm. What is the linear separation between the central maxima and the 9th minima regarding the interference pattern produced on a screen that is 1.62 m from the slit? Submit your…
Which one of the following statements is NOT true of a free-falling object? An object in a state of free fall
A composite light source is directed at a diffraction grating with a grating constant of 267 lines/mm. The diffraction pattern is viewed on a screen that is 1.19 m from the grating. If a 3rd order maxima is loacted at a distance of 0.484 m from the central maxima, what is the wavelangth of the…
Using graph paper and a straight-edge, produce proper ray diagrams for the following cases (1 page each, landscape orientation, submitted with your solutions upload). Let the object height be 5 squares high in both cases and let each square be 2 centimeters scale-wise. These are worth 5 points…
If it requires 8.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be requieres to stretch it an additional 4.0 cm?
If it requires 5.0 j of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be required to stretch it an additional 4.0 cm?
What is the change in time 1 ?
Calculate the amount of energy consumed by a 75-kg person jumping up 70 cm for 10 minutes at a rate of one jump per second, assume a muscle efficiency of 20%. [Hint: 1kcal=D4184 ]
convert 6 miligram to gram
convert 5km to mm
convert 5cm to mm
The two speakers of a boom box are apart. A single oscillator makes the speakers vibrate in phase at a frequency of . At what angles, measured from the perpendicular bisector of the line joining the speakers, would a distant observer hear maximum sound intensity? minimum sound intensity? (Take…
An object with a mass of 3 kg explodes into 3 equal masses. One mass moves East at a velocity of 15.0m/s. If a second mass moves at a velocity of 10.0m/s 45o South of East. What are the magnitude and the direction for the velocity of the third mass?
(10 points) A \( 50.0 \mathrm{~kg} \) pole vaulter running at \( 7.0 \mathrm{~m} \) /s reaches a height of \( 5.05 \mathrm{~m} \) to clear a 5-m-high bar. Neglect air resistance and the energy absorbed by the pole. Determine her, speed when she is above the bar.
Charge q1 = 1.40 x 10-8 C is placed at the origin. Chargesq2 = -1.80 x 10-8 C and q3 = 2.10 x 10-8 C are placed at points (0.180 m,0.000 m) and (0.000 m,0.240 m),respectively, Determine the net electrostatic force (magnitude and direction) on charge q3.
Two men are just able to lift a 300 kg weight with a crowbar when the fulcrum for the lever is 0.3 m from the weight. The first man exerts his strength at 0.9 m while the second is at 1.5 m from the fulcrum respectively. If the men interchanged positions, they can raise a 340 kg weight.…
An ideal monatomic gas is compressed starting at point A in a PV diagram where PA = 100 kPa VA = 1.00 m3 and TA = 300 K. The gas is first compressed adiabatically to state B (PB = 200 kPa). The gas is then further compressed from point B to point C (VC = 0.50 m3) in an isothermal process.…
The density of water is 1.00Ă—103 kg/m3, and the density of mercury is 1.36Ă—104 kg/m3. Calculate the absolute pressure ????b at the bottom of a 0.250-m tall graduated cylinder that is one?third full of mercury and two?thirds full of water.
The density of water is 1.00Ă—103 kg/m3, and the density of mercury is 1.36Ă—104 kg/m3. Calculate the absolute pressure ????b at the bottom of a 0.250-m tall graduated cylinder that is one?third full of mercury and two?thirds full of water.
Calculate the power delivered by the oil the fluid motor shown in fig. 7.28 if the volume flow rate is 0.25 m3/s. There is an energy loss of 1.4N.m/N. In the piping system. If the motor has an efficiency of 75 percent, calculate the power output
Please explain this problem
An airplane propeller is rotating 1900 rpm (rev/min).(a) Compute the propeller’s angular velocity in rad/s.(b) How many seconds does it take for the propeller to turn through 35°?
(a) What angle in radians is subtended by an arc 1.50 m long on the circumference of a circle of radius 2.50 m? What is this angle in degrees? (b) An arc 14.0 cm long on the circumference of a circle subtends an angle of 128 . What is the radius of the circle? (c) The angle between two radii of…
the beam shown in Figure 2a the maximum stress occurs between points C and D and the shear stress variation between these two points is described by the following formula:V = -50x + 57.143 NDetermine the maximum stress developed in the beam if the cross section of the beam is as depicted in…
Can you please explain part C in a detail?
Monochromatic light with a wavelength of 467 nm is directed upon a single thin slit. A screen located a distance of 2.94 m away from the slit captures the interference pattern, which contains a central maxima having a linear width of 6.7 mm. What must the slit width be, measured in mm?
A solid, transparent plastic cube has sides with a length of 5.63 cm. At the center of the cube is a small, colored bead. When viewed straight on, the appears to be a distance of 3.32 cm from the edge of the cube. What is the index of refraction regaring the solid plastic material. Assume that…
Which one of the following statements is NOT true of a free-falling object? An object in a state of free fall
A composite light source is directed at a diffraction grating with a grating constant of 267 lines/mm. The diffraction pattern is viewed on a screen that is 1.19 m from the grating. If a 3rd order maxima is loacted at a distance of 0.484 m from the central maxima, what is the wavelangth of the…
Using graph paper and a straight-edge, produce proper ray diagrams for the following cases (1 page each, landscape orientation, submitted with your solutions upload). Let the object height be 5 squares high in both cases and let each square be 2 centimeters scale-wise. These are worth 5 points…
If it requires 8.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be requieres to stretch it an additional 4.0 cm?
If it requires 5.0 j of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be required to stretch it an additional 4.0 cm?
What is the change in time 1 ?
convert 6 miligram to gram
convert 5km to mm
convert 5cm to mm
The two speakers of a boom box are apart. A single oscillator makes the speakers vibrate in phase at a frequency of . At what angles, measured from the perpendicular bisector of the line joining the speakers, would a distant observer hear maximum sound intensity? minimum sound intensity? (Take…
An object with a mass of 3 kg explodes into 3 equal masses. One mass moves East at a velocity of 15.0m/s. If a second mass moves at a velocity of 10.0m/s 45o South of East. What are the magnitude and the direction for the velocity of the third mass?
(10 points) A \( 50.0 \mathrm{~kg} \) pole vaulter running at \( 7.0 \mathrm{~m} \) /s reaches a height of \( 5.05 \mathrm{~m} \) to clear a 5-m-high bar. Neglect air resistance and the energy absorbed by the pole. Determine her, speed when she is above the bar.
An ideal monatomic gas is compressed starting at point A in a PV diagram where PA = 100 kPa VA = 1.00 m3 and TA = 300 K. The gas is first compressed adiabatically to state B (PB = 200 kPa). The gas is then further compressed from point B to point C (VC = 0.50 m3) in an isothermal process.…
Please explain this problem
the beam shown in Figure 2a the maximum stress occurs between points C and D and the shear stress variation between these two points is described by the following formula:V = -50x + 57.143 NDetermine the maximum stress developed in the beam if the cross section of the beam is as depicted in…