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Physics 101 Mechanics Q&A Archive of November 7, 2021

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November 7 of 2021

what would the height be of the terrier sandhawk at the end of fuel burn
Ocean temperature energy conversion (OTEC) power plants generate power by utilizing the naturally occurring decrease with depth of the temperature of ocean water. Near Florida, the ocean surface temperature is 27 °C, while at a depth of 700 m the temperature is 7°C. (a) Determine the maximum…
A 1.40-kg bottle of vintage wine is lying horizontally in a rack, as shownin the drawing. The two surfaces on which the bottle rests are 90 0 ° apart,Iand the right surface makes an angle of 45.0° with respect to the horizontal.Each surface exerts a force on the bottle that is perpendicular to…
A 1.40-kg bottle of vintage wine is lying horizontally in a rack, as shownin the drawing. The two surfaces on which the bottle rests are 90 0 ° apart,Iand the right surface makes an angle of 45.0° with respect to the horizontal.Each surface exerts a force on the bottle that is perpendicular to…
A net force of 20 N is applied to a 40 kg object. The object moves a distance of 30 m with this force applied to the object over the entire 30 m distance. If the object was initially at rest, how fast is it moving at the end of the 30 m?
You and your love of your life are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. A man with a mass of 80 kg is given a push and slide eastward. A woman with a mass of 50 kg is sent sliding northward. They collide, and after the collision, they…
Score 7 1.1 average velocity of train A 0-2hr \( 200 \mathrm{~km} / \mathrm{h} \) \( -200 k m / h \)
Does the P.E. of a spring decreases/increase when it is compressed or stretched? Why
When a ball is thrown up, the magnitude of its momentum first decreases and then increases. Does this violate the conservation of momentum principle?
Two thermometers are constructed in the same way except that one has a spherical bulb and the other an elongated cylindrical bulb. Which one will respond quickly to temperature change?
Write the advantages of platinum resistance thermometer.
What is displacement
If force 20N applied 60 degree to displacement what is work done ?
If force is 5N and displacement is 10m what is work done
Before starting this problem, review Conceptual Example 3. The hail comes straight down at a mass rate of m/?t=0.0690 kg/s and an initial velocity of v0= -15.0 m/s. Suppose that the hail described there bounces off the roof of the car with a velocity of + 10.6 m/s. Ignoring the weight of the…
What is dipole moment.
Consider a U-tube whose arms are open to the atmosphere. Now water is poured into the U-tube from one arm, and light oil (? = 790 kg/m3) from the other. One arm contains 70-cm-high water, while the other arm contains both fluids with an oil-to-water height ratio of 6. Determine the height of…
Convert 5km to milimetre
Consider a U-tube whose arms are open to the atmosphere. Now water is poured into the U-tube from one arm, and light oil (? = 790 kg/m3) from the other. One arm contains 70-cm-high water, while the other arm contains both fluids with an oil-to-water height ratio of 6. Determine the height of…
A 2.4-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John’s mass is 30 kg .
what would the height be of the terrier sandhawk at the end of fuel burn
A 1.40-kg bottle of vintage wine is lying horizontally in a rack, as shownin the drawing. The two surfaces on which the bottle rests are 90 0 ° apart,Iand the right surface makes an angle of 45.0° with respect to the horizontal.Each surface exerts a force on the bottle that is perpendicular to…
A 1.40-kg bottle of vintage wine is lying horizontally in a rack, as shownin the drawing. The two surfaces on which the bottle rests are 90 0 ° apart,Iand the right surface makes an angle of 45.0° with respect to the horizontal.Each surface exerts a force on the bottle that is perpendicular to…
A net force of 20 N is applied to a 40 kg object. The object moves a distance of 30 m with this force applied to the object over the entire 30 m distance. If the object was initially at rest, how fast is it moving at the end of the 30 m?
Score 7 1.1 average velocity of train A 0-2hr \( 200 \mathrm{~km} / \mathrm{h} \) \( -200 k m / h \)
Does the P.E. of a spring decreases/increase when it is compressed or stretched? Why
When a ball is thrown up, the magnitude of its momentum first decreases and then increases. Does this violate the conservation of momentum principle?
Two thermometers are constructed in the same way except that one has a spherical bulb and the other an elongated cylindrical bulb. Which one will respond quickly to temperature change?
Write the advantages of platinum resistance thermometer.
What is displacement
If force 20N applied 60 degree to displacement what is work done ?
If force is 5N and displacement is 10m what is work done
Before starting this problem, review Conceptual Example 3. The hail comes straight down at a mass rate of m/?t=0.0690 kg/s and an initial velocity of v0= -15.0 m/s. Suppose that the hail described there bounces off the roof of the car with a velocity of + 10.6 m/s. Ignoring the weight of the…
What is dipole moment.
Convert 5km to milimetre
Consider a U-tube whose arms are open to the atmosphere. Now water is poured into the U-tube from one arm, and light oil (? = 790 kg/m3) from the other. One arm contains 70-cm-high water, while the other arm contains both fluids with an oil-to-water height ratio of 6. Determine the height of…
A 2.4-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John’s mass is 30 kg .