12,723 Answered Questions for the topic physics

01/31/24

An interesting projectile motion problem
I found this problem on the internet:Conditions are:No air resistance and the ball is a point of mass.Also, the size of the soccer goal is slightly different from the standard one.The... more
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Physics

01/31/24

PHYSICS HOMEWORK HELP-CAN SOMEONE PLEASE EXPLAIN
Function y(t)=e-t/T. Here T is the time constant and has units of s-1. If the time constant T=4 s, what is the approximate value of the function at time t=4s?
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Physics

01/30/24

Find the magnitude and direction of the gravitational field at point D in the diagram below. Assume that points A, B, and C have the same mass and that each square represents 1m.
Find the magnitude and direction of the gravitational field at point D in the diagram below. Assume that points A, B, and C have the same mass and that each square represents 1m.Point A... more
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Physics

01/30/24

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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Physics

01/30/24

Physics question
A diver explores a shallow reef off the coast of Belize. She initially swims d⃗ 1 = 85.5 m north, makes a turn to the east and continues for d⃗ 2 = 159.2 m, then follows a big grouper (a kind of... more
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Physics

01/30/24

Find the magnitude and direction of the gravitational field at point D in the diagram below. Assume that points A, B, and C have the same mass and that each square represents 1m.
Find the magnitude and direction of the gravitational field at point D in the diagram below. Assume that points A, B, and C have the same mass and that each square represents 1m.Point A... more
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Physics

01/30/24

Find the particular solution of the differential equation that satisfies the initial condition(s). f ′(s) = 14s − 4s3, f(3) = 7
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Physics Math Calculus

01/28/24

What angle to kick a soccer ball to maximize distance traveled? (vector calc)
A soccer ball on the ground is kicked with an initial speed of 44mph at an angle θ above the horizon. What is the angle in radians that will maximize the distance traveled (g=32ft/sec)?And what... more
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Physics

01/28/24

ARCO SAT Physics: Sound is a longitudinal wave and may be propagated in each of the following EXCEPT:
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Physics

01/28/24

The pascal is a unit of pressure and is defined as one newton per square meter. The cubic meter defines the SI quantity, volume. A pascal multiplied by a cubic meter is a unit of:

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Physics

01/28/24

calculate the amount of work done on the system from 0-2 and then for the entire curve from 0-5 given the volume and pressure. 
a pressure versus volume diagram for a system is shown in the figure. the values for the points in the diagram are shown in the table (couldn't include the image. points 0,1,2 make a triangular... more
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Physics

01/27/24

Speed and Velocity
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 8.9 m/s. Also, it has an acceleration in the direction... more
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Physics

01/26/24

how much force does a bear weighing 300 kilograms and moving at 30 k/s generate
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Physics

01/26/24

physics question
Use these numbers: Q2 = -500 nC. When the second particle is placed on the x-axis at x = +27.0 cm, it experiences a force of 1.20 N in the positive x-direction. When the second particle is moved to... more
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01/25/24

Center of Mass During the Pullup
Hello,I'm trying to figure out the physics behind different pullup techniques. I read an article online that stated if you change your COM, you can effectively make the pullup easier. Physics of... more
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01/24/24

Physics problem: torque of forces
I came across this task on a website and have been curious about its solution, but I’m having trouble figuring it out:First, let's assume that the springs barely stretch.A long, rigid pallet of... more
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Physics

01/24/24

Plssssss help, sorry for the trouble

Link to image of the problemThank you!!!!!
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01/24/24

Intriguing physics problem: photometry
The question is: What is the intensity of illumination on the inner surface of the exposed spherical shell?Condition: the size of the hole with a small radius "d" is much larger than the wavelength... more
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Physics

01/24/24

Snell's Law│Please Help!
A laser passing through air passes through an unknown liquid at an incident angle of 30 degrees. The laser is refracted such that the refracted angle is 20 degree relative to the normal line. What... more
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Physics

01/24/24

A potter’s wheel moves from rest to an angular speed of 0.20 rev/s in 31.6 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 Math

01/23/24

find the force exerted by the hammer claws on the nail. (Assume that the force the hammer exerts on the nail is parallel to the nail). Answer in units of N.
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

01/23/24

Answer in units of degrees
A 17.7 kg person climbs up a uniform ladder with negligible mass. The upper end of the ladder rests on a frictionless wall. The bottom of the ladder rests on a floor with a rough surface where the... more
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Physics Math

01/23/24

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

01/23/24

What is the maximum load for this crane at an angle of 31.0 ◦ with the horizontal? Answer in units of N.
7416.26 N*M as the torque capacity.What is the maximum load for this crane at an angle of 31.0 ◦ with the horizontal? Answer in units of N.
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Physics

01/23/24

Plssss help, sorry for the trouble

Link to image of the problem
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