12,762 Answered Questions for the topic physics

Physics

12/07/23

I Don't Know How to Solve This Physics Problem
Engineers are designing a rocket to be used in deep space. If the rocket is fired from rest in deep space, the total mass of the rocket, payload, and unspent fuel must reach a speed... more
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Physics

12/06/23

Physics-submarine depth
A research submarine has a 40-cm-diameter window that is 8.2 cm thick. The manufacturer says the window can withstand forces up to 1.1×106 N.What is the submarine's maximum safe depth in sea water?... more
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Physics

12/06/23

Physics-Wood block in water
A 10cm×10cm×10cm wood block with a density of 680 kg/m3 floats in water. What is the distance from the top of the block to the water if the water is fresh? If it's seawater? Suppose that ρ=1030 kg/m3 more
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Physics

12/06/23

Physics-Water flowing through a pipe
Water flowing through a 2.2-cm-diameter pipe can fill a 300 L bathtub in 3.3 min.What is the speed of the water in the pipe?
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Physics

12/06/23

PHYSICS-Pipe problem
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 4.0 m/s. What is the speed in the second segment? What is the volume flow rate... more
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Physics

12/06/23

Physics Problem-drain plug
A rectangular trough, 1.7 m long, 0.60 m wide, and 0.40 m deep, is completely full of water. One end of the trough has a small drain plug right at the bottom edge.When you pull the plug, at what... more
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12/06/23

Do you provide examples of problems and work them?
If I needed extra examples and scenarios worked to fully understand a concept, do you provide examples like that?
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Physics

12/04/23

find the Maximum energy released in the completely inelastic collision of this object with Earth
On Oct 31 2015, massive asteroid TB145 nicknamed "Spooky" passed near the Earth vicinity. The measured diameter of the asteroid: 400meters , and its speed relative to the Sun: 33.0 km/s. (NOTE you... more
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Physics

12/04/23

Determine the coefficient of kinetic friction between the block and the rough surface
8.5-kg block is released from point A with speed of initial speed 2.2m/s. (Block is given a push) (Point A is 3.3m high). The track is frictionless except for the portion between points B and C... more
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Physics

12/03/23

A 780 Hz sound wave passes through 37.0°F air. What is the wavelength in meters?
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Physics

12/03/23

A 200 kg load is hung on a wire on length 4.00 m, cross-sectional area 2.00 x 10-5 m2, and Young's modulus 80.0 GPa. What is its increase in length (in millimeters)?
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Physics

12/03/23

A metal rod is heated from a temperature of 300 K to a temperature of 350 K. For which material would the change in the length of the rod be smallest?
A. Aluminiumb. Copperc. Steeld. Leade. Bronze
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Physics

12/03/23

physics question about kinematics
A ball is thrown into the air from a height of 2.00 m and with an initial velocity of 5.00 m/s at an angle of above the horizontal. Select all of the quantities that are zero at some time (not... more
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Physics

12/02/23

Height of plateau form launch speed and angle
A projectile is launched with a speed of 40 m/s at an angle of 30° above the horizontal, as shown in the figure below. The projectile lands on a plateau 3 s later. The height Δy of a plateau is... more
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12/02/23

Physics lab: how do i find the uncertanity of c (specific heat of water)

Physics lab: how do i find the uncertanity of c (specific heat of water) , when this is the data i have: I have the mass of water= 0.2304 kg, I have the temp for every 15 second time interval, i... more
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12/02/23

Physics lab: how do i find the uncertanity of c (specific heat of water)

Physics lab: how do i find the uncertanity of c (specific heat of water) , when this is the data i have: I have the mass of water= 0.2304 kg, I have the temp for every 15 second time interval, i... more
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12/02/23

how do i find the uncertanity of c (specific heat of water)
Physics lab: how do i find the uncertanity of c (specific heat of water) , when this is the data i have: I have the mass of water= 0.2304 kg, I have the temp for every 15 second time interval, i... more
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12/02/23

how do i find the uncertanity of c (specific heat of water)

Physics lab report question: how do i find the uncertanity of c (specific heat of water) , when this is the data i have: I have the mass of water= 0.2304 kg, I have the temp for every 15 second... more
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Physics

12/01/23

Please Solve This Physics Problem
A rocket takes off from a space station, where there is no gravity other than the negligible gravity due to the space station, and reaches a speed of 125 m/s in 10.0 s. If the exhaust speed... more
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Physics

12/01/23

If a tutor said no to request is there any way to reach out to them again. We had no interaction and I'm not sure if it was a mistake that they declined the request
If a tutor said no to request is there any way to reach out to them again. We had no interaction and I'm not sure if it was a mistake that they declined the request
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Physics

11/30/23

Q9: Prb 5 - This problem has two parts to this. I will type out the questions for each of the two parts along with additional info in "Description" below.
Consider a person doing push-ups. The person has a mass of 58.9 kg, and the distance from their feet to their center of mass is 0.98 m, while the distance from their feet to their hands is 1.55 m.... more
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Physics

11/30/23

Q9: Prb 4 - If the children are separated by a distance of 3.0 m, at which distance, in meters, from the pivot point is the smaller child sitting in order to maintain the balance?
Two children of mass 15 kg and 27 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw.
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Physics

11/30/23

a pendulum oscillates 12 times in 4 seconds
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Physics

11/29/23

Q9: Prb 2 - This problem has two parts to this. I will type out the questions for each of the two parts along with additional info in "Description" below.
Two connected flywheels are free to rotate about an axle through their mutual center. They are at rest, and they remain at rest. One flywheel has a radius r1 = 0.45 m, and a rope wound around it... more
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Physics

11/29/23

Q9: Prb 1 - What torque, in newton meters, are you exerting relative to the hinges?
When opening a door, you push on it perpendicularly with a force of 65 N at a distance of 0.825 m from the hinges.
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