04/10/25

Physics Solution
Problem:A block of mass m=2.5kg is placed on a frictionless inclined plane that makes an angle of θ=30∘ with the horizontal.(a) Draw a free-body diagram showing all the forces acting on the block.... more
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10/17/24

Centripetal Motion
While flipping through channels on your TV, you see a circus show in which a woman drives a motorcycle around the inside of a vertical ring. You observe that she ensures that she goes around at a... more
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07/29/24

Unsatisfied with my first lesson
Good morning,I had a physics lesson with a tutor a week ago, but I was not satisfied with the tutor. It says Wyzant will cover the first lesson if I am unsatisfied, but the money has been taken... more
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03/02/24

Physics 20: Planar kinematics
A projectile is fired at 30.0 m/s off of a 50.0m cliff at 40.0 degrees above the horizon.a. Determine the time (in s) in the air before it hits the ground.b. Determine the distance (in m) from the... more
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12/15/23

Find the measure of a positive angle coterminal with – 29​𝜋 20 radians. Give the answer in simplest form.
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12/14/23

7. two charges q₁=4μc and q₂=-7μc are by 5m. calculate the electric potential at point a. (Physics subject) Po
7. two charges q₁=4μc and q₂=-7μc are by 5m. calculate the electric potential at point a. (Physics subject)
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12/04/23

Solve the system by elimination.
3x+4y=76x-7y=44
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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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11/30/23

Algebra 1 question
the height of the triangle is 4 inches shorter than the base the are of the triangle is 198 square inches find the dimensions of the triangle. find the dimensions.
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11/30/23

a pendulum oscillates 12 times in 4 seconds
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11/29/23

is A rod has a height of 7cm and a radius of 0.5cm. What is the density of the rod, in g/cm3 , if its mass is 33g?
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11/02/23

Change in momentum and moment of inertia physics problem-answers given-need help understanding!
A force of 50.5 N is applied tangentially to a wheel of radius 0.270 m and causes an angular acceleration of 2.20 rad/s^2. What is the moment of inertia of the wheel? (answer: 6.20 kgxm^2) A 350 N... more
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11/02/23

PHYSICS-PULLEY and ANGLE PROBLEM (have answers need help understanding)
A pulley has an initial angular speed of 2.50 rad/s and a constant angular acceleration of 1.40 rad/s^2. Through what angle does the pulley turn in 7.00 s? (answer: 51.8 rad)
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11/02/23

PHYSICS ROTATION PROBLEMS-I have answers just need help explaining
You are riding a Merry-go-round that rotates at 5.0 rpm. If your horse is located 4.0 m from the axis of rotation, how fast are you going in m/s? (answer: 2.1 m/s) A chicken is running in a... more
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10/22/23

Calculate the magnitude of its acceleration in a vertical takeoff from the Moon in meters per square second, assuming the acceleration due to gravity on the Moon is 1.67 m/s^2.
Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 12500 kg. The thrust of its engines is 29500 N.
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10/20/23

Find the derivative of the following exponential functions: Write the solution of each number
Find the derivative of the following exponential functions: Write the solution of each number2.y = x²e-xans. y' = xe-x(2 - x)3.f(z) = e²(sin z + cos z)ans. f'(z)= 2ez cos z
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10/19/23

You place a box weighing 375.6 N on an inclined plane that makes a 40◦ angle with the horizontal. Compute the component of the gravitational force acting down the inclined plane. Answer in units of N.
You place a box weighing 375.6 N on an inclined plane that makes a 40◦ angle with the horizontal. Compute the component of the gravitational force acting down the inclined plane. Answer in units of N. more
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10/18/23

If (3, 4) is the midpoint of XY, what are the coordinates of point Y?
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05/04/23

The mean free path is the average distance traveled by a particle between collisions with other particles. Calculate the mean free path 𝜆 of air at room temperature, 𝑇=67.0 ∘F. Air is

The mean free path is the average distance traveled by a particle between collisions with other particles. Calculate the mean free path 𝜆 of air at room temperature, 𝑇=67.0 ∘F. Air is mostly... more
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04/07/23

1st question: A toy rocket is launched straight up from the top of a 15m high cliff v1 = 21m/s how long will it take the rocket to hit the ground after launch.

Its about physics grade 11 kinemetics
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04/07/23

magnification and focal point
A camera is equipped with a lens with a focal length of 32 cm. When an object 1.2 m (120 cm) away is being photographed, what is the magnification?
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03/06/23

What is torque exactly and why is torque perpendicular to force and radius? ?
From what I understand about torque, it is basically the power of the force to cause a change in an object's rotational motion. It is easier to cause this change when the force is applied further... more
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03/02/23

What is the specific heat capacity of an ice
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02/15/23

I need help with another trigonometry question!
Find the distance along an arc on the surface of the earth that subtends a central angle of 10 minutes (1 minute = 1/60 degree). The radius of the earth is 3960 miles. Round to the thousands.
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02/14/23

What would correspond to the current, I?
the rate at which cars pass a given point the street     cars traffic signals
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