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Physics

07/20/22

physics question 13

A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of the incline, and its speed after it has traveled 6.80 mm to the... more

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Physics

07/20/22

physics question 16b

A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 ss of its motion, the vertical acceleration of the rocket is given... more

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Physics

07/20/22

phys 16 qestion

A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 ss of its motion, the vertical acceleration of the rocket is given... more

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Physics

07/20/22

A juggler throws a bowling pin straight up with an initial speed of 8.40 m/sm/s.For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Up-and-down motion in... more

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Physics

07/20/22

physics question

A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of the incline, and its speed after it has traveled 6.80 mm to the... more

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Physics

07/20/22

car that weighs 1200kg travels at 17 m/s and quickly stops. the car slides. coefficient of friction is 0.89. what is the distance the car slid?

doing a physics question due tonight and im stuck... please help

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Physics

07/18/22

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm? The resistivity of aluminum is 2.83×10−8 Ω·m.

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Physics

07/18/22

Hydrostatic pressure of pool water

Indoor Pool / 175,000 gallonsWhat is the pressure of the water (psi) when the drain opens to allow it to empty ?

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Physics

07/18/22

quantum electrodynamics

When In quantum electrodynamics when using a stopwatch to “time” the movement of a photon to find the direction of its arrow representing the probability amplitude, why does the stopwatch have to... more

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Physics Chemistry

07/18/22

What is positive charge?

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Physics

07/17/22

An aluminum wing on a passenger jet is 37 m long when its temperature is 23°C. At what temperature would the wing be 7 cm (0.07 m) shorter?

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Physics

07/17/22

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

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Physics

07/17/22

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

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Physics

07/16/22

physics question

A 595-g squirrel with a surface area of 925 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the squirrel... more

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Physics

07/16/22

What are the magnitude and direction of electric field midway between these two charges? (k = 1/4πε0 = 9.0 × 109 N • m2/C2)

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Physics

07/15/22

A body covers 200 c m in the first 2 seconds and 220 c m in the next 4 seconds. The velocity of the body at the end of the 7 t h second is :

a. 40m/sb. 200m/sc. 10m/sd. 5m/s

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Physics

07/14/22

Is centrifugal force inertia of motion?

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Physics Math

07/14/22

A person travels first half time with speed u, and next half time with speed v. Find the avg speed

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Physics

07/14/22

the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:

If a horizontally placed spring oscillator pulls 4 cm positive along the X axis and then releases, the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:A.... more

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Physics

07/14/22

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

A water pipe has a thick and a fine end. The radius of the thick is 3cm, and the radius of the fine is 1cm. The thick end is 6 meters higher than the fine end. Ask: how about the flowing speed in... more

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Physics

07/14/22

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

A water pipe has a thick and a fine end. The radius of the thick is 3cm, and the radius of the fine is 1cm. The thick end is 6 meters higher than the fine end. Ask: how about the flowing speed in... more

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Physics Electrical Engineering

07/14/22

Taking a positive charge q from the point O to the point P very slowly, how much is the work of electric field forcel?

Positive charge Q is evenly distributed on a thin ring with a radius of R, the center of which is point O. Axis OP is pendicular to the plane containing the thin ring. The length of OP is 2R.... more

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Physics Science

07/14/22

calculate the work of electric field force...

Positive charge Q is evenly distributed on a thin ring with a radius of R, the centre of which is point O. Axis OP is pendicular to the plane containing the thin ring. The length of OP is 2R.... more

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Physics Math

07/13/22

How do I find the time taken for A to overtake B? (Details below)

Two particles A and B are moving in the same direction on parallel horizontal tracks. At a certain point, A which is travelling with a speed of 7m/s and accelerating uniformly at 1.5m/s^2 overtakes... more

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Physics

07/13/22

what would be the charge on the vertices of a square with given features ;

If the four vertices of the square ABCD are placed with an equal amount of charge, and thepotential of the intersection of the two diagonal lines of the square is 0, there must be four verticesof... more

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physics question 13

physics question 16b

phys 16 qestion

physics question 2

physics question

car that weighs 1200kg travels at 17 m/s and quickly stops. the car slides. coefficient of friction is 0.89. what is the distance the car slid?

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm

Hydrostatic pressure of pool water

quantum electrodynamics

What is positive charge?

An aluminum wing on a passenger jet is 37 m long when its temperature is 23°C. At what temperature would the wing be 7 cm (0.07 m) shorter?

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

physics question

What are the magnitude and direction of electric field midway between these two charges? (k = 1/4πε0 = 9.0 × 109 N • m2/C2)

A body covers 200 c m in the first 2 seconds and 220 c m in the next 4 seconds. The velocity of the body at the end of the 7 t h second is :

Is centrifugal force inertia of motion?

A person travels first half time with speed u, and next half time with speed v. Find the avg speed

the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

Taking a positive charge q from the point O to the point P very slowly, how much is the work of electric field forcel?

calculate the work of electric field force...

How do I find the time taken for A to overtake B? (Details below)

what would be the charge on the vertices of a square with given features ;

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