12,723 Answered Questions for the topic physics

01/23/24

Do Broadband Vibrations affect the de Broglie wavelength of Lattice Like Materials (e.g Graphene)
I have a random but curious thought that I was wondering if it can be answered extensively.I would like to know what would happen if a Lattice like material (e.g Graphene) were to be exposed to an... more
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Physics Math

01/23/24

physics question (please show work)
You have two identical metal spheres (identical aside from their net charges, that is). Sphere A has a net charge of +11.0 nanocoulombs, while sphere B has a net charge of -3.00 nanocoulombs. The... more
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Physics

01/23/24

The field just outside a 1.70 cm-radius metal ball is 3.75×10^2 N/C and points toward the ball.
What charge resides on the ball?Express your answer to three significant figures and include the appropriate units.
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Physics Math

01/22/24

Answer in units of N · m
The arm of a crane at a construction site is 17.0 m long, and it makes an angle of 14.2 ◦ with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque... more
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Physics

01/22/24

Derive the linear motion's equations with the influence of gravitational pull?
Derive the linear motion equations under influence of gravity?
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Physics Math

01/22/24

Two part question
The figure shows a claw hammer as it pulls a nail out of a horizontal board. If a force of magnitude 165 N is exerted horizontally as shown, find the force exerted by the hammer claws on the nail.... more
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Physics Math

01/22/24

what minimum force must be exerted by the mechanic at the end of a 29 cm-long wrench to loosen the nut? Answer in units of N.
If the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 43 N · m, what minimum force must be exerted by the mechanic at the end of a 29 cm-long... more
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Physics Math

01/22/24

What maximum torque can the crane withstand if the maximum load the crane can handle is 450 N? Answer in units of N · m
The arm of a crane at a construction site is 17.0 m long, and it makes an angle of 14.2 ◦ with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque... more
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01/21/24

Displacement Question
Answer the following questions about path A in the figure. A city block is a square of l= 115 m on each side.Total Distance Traveled in meters: 460Magnitude of Displacement in meters: 363.7What is... more
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01/21/24

What is 1.68*10^13 m to Tm?
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01/20/24

Electricity and Magnetism question. Please help ASAP!
A uniformly charged insulating rod of length 17.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of −7.50 µC. The link to the figure is... more
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01/20/24

Multiplication Error
My answer is 0.7142 but my professor says I am off by 1/2. I tried multiplying my answer by 1/2 but I was still wrong. How do I solve that?
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Physics

01/19/24

2 part question

Objects with masses of 193 kg and 348 kg are separated by 0.328 m. A 61.2 kg mass is placed midway between them.Find the magnitude of the net gravitational force exerted by the two larger masses... more
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Physics

01/19/24

How fast can the car take this curve without skidding to the outside of the curve? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m/s.
A highway curves to the left with radius of curvature of 34 m and is banked at 29 ◦ so that cars can take this curve at higher speeds. Consider a car of mass 1671 kg whose tires have a static... more
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Physics

01/19/24

If the tires start to skid when the car reaches a speed of 34.3 m/s, what is the coefficient of static friction between the tires and the road?
To test the performance of its tires, a car travels along a perfectly flat (no banking) circular track of radius 234 m. The car increases its speed at uniform rate of at ≡ d |v| divided by dt =... more
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Physics

01/19/24

If her speed is 240 m/s at this time, find the radius of the loop. Answer in units of km.
An aerobatic airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver. The acceleration of gravity is 9.8 m/s 2 . If her speed is 240 m/s at this time, find... more
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Physics Math

01/18/24

At a certain instant, the velocity of a 0.05-kg rocket is <0,2.4,0> and all significant forces on the rocket are
At a certain instant, the velocity of a 0.05-kg rocket is <0,2.4,0> and all significant forces on the rocket are:F thrust by exhaust on rocket = <0,4,0> N,F grav by Earth on rocket =... more
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Physics

01/18/24

The Pitch (Projectile Motion)
A baseball pitcher throws a ball perfectly horizontal at a height of 6.25 feet above home plate. The catcher intercepts the ball 55 feet away. Assume no air resistance.How long was the ball in... more
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Physics

01/16/24

What is the speed of each seat? Answer in units of m/s.
An amusement park ride consists of a rotating circular platform 9.07 m in diameter from which 10 kg seats are suspended at the end of 1.22 m massless chains. When the system rotates, the chains... more
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Physics

01/16/24

What is the coefficient of static friction between the coin and the turntable?
A coin is placed 25 cm from the center of a horizontal turntable, initially at rest. The turntable then begins to rotate. When the speed of the coin is 110 cm/s (rotating at a constant rate), the... more
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Physics

01/16/24

How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.12 m? Answer in units of rev.
The driver of a car traveling at 46.4 m/s applies the brakes and undergoes a constant deceleration of 1.12 m/s ^2 . How many revolutions does each tire make before the car comes to a stop, assuming... more
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Physics

01/16/24

What is this common angular speed? Answer in units of rad/s.
The tape in a videotape cassette has a total length 255 m and can play for 1.8 h. As the tape starts to play, the full reel has an outer radius of 42 mm and an inner radius of 14 mm. At some point... more
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Physics

01/16/24

what is its angular acceleration in rad/s2 ? Answer in units of rad/s 2 .
A potter’s wheel moves from rest to an angular speed of 0.30 rev/s in 28.9 s. Assuming constant angular acceleration, what is its angular acceleration in rad/s2 ? Answer in units of rad/s 2 .
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Physics

01/16/24

What is the speed of the bullet? Answer in units of m/s.
The speed of a moving bullet can be determined by allowing the bullet to pass through two rotating paper disks mounted a distance 66 cm apart on the same axle. From the angular displacement 23.9 ◦... more
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Physics Science

01/14/24

Does a solid, like a night stand, vibrate macroscopically because the atoms and molecules that make up the solid vibrate?
We know particles that make up solids vibrate, but do the solids vibrate themselves because of that? Like a structure or object like a night stand, does that night stand vibrate macroscopically... more
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