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Physics

10/02/22

Projectile motion

Suppose that a world-class long jumper jumped on the moon with the same initial velocity as that which would produce a world record breaking distance of 9.35 m on earth. What would be the range of... more

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Physics

10/02/22

A total charge Q is distributed uniformly over a rod of length L. The rod is aligned on the x- axis, with one end at the origin and the other at the point x = L. Calculate the field at point (L/2, D)

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Physics

10/02/22

What is the height of the cliff

A ballis launched at a bottom of a cliff with initial speed v0=40m/s directed at an angle of theta= 42° above the horizontal towards a cliff with height x. The ball hits the cliff 4.50s after the... more

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Physics

10/02/22

Please help me with this question!!

A car accelerates with a constant acceleration for 8 seconds before reaching top speed. The car completes a trip of 0.9 kilometer in a total travel time of 47 seconds (including the time it takes... more

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Physics

10/01/22

The mass of the larger block

In the diagram below, a worker drags two blocks on a frictionless surface. The work pulls on the first cord, which is connected to the smaller block and at an angle of q = 32.0O above the... more

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Physics Science Chemistry

10/01/22

CHEMISTRY Question

In a space shuttle, the CO2 that the crew exhales is removed from the air by a reaction within canisters of lithium hydroxide. Let's assume that one astronaut exhales about 825. L of CO2 daily.... more

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Physics

09/30/22

why does the ball with less force applied to it go slower than the one with more force?

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Physics

09/29/22

AP Physics Question

It takes .21s for a dropped object to pass a window that is 1.35m tall. From what height above the top of the window was the object released?

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Physics

09/29/22

Physics highshool level

There are three equally sized positively charged metal spheres. Sphere A is 2.00 m left of sphere B, and sphere C is 1.5 m right of sphere B. sphere A has quadruple the charge of Sphere B, and... more

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Physics

09/29/22

physics highschool level question

If an Alpha particle experience an electric force of 0.31 N at a specific location in space, what electric force would a proton experience at the same location?

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Physics

09/28/22

What is the unknown mass and weight

using the initial valocity(0.82), final velocity (0.85) , distance (0.8m) and mass of 26.94 grams, find net force

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Physics

09/28/22

A landowner has a triangular piece of land that she wants to fence. Starting at the west-most corner, the first side to be A=70m long and the next side to be 𝐵=95m long. What is her result?

A new landowner has a triangular piece of land that she wishes to fence. Starting at the west-most corner she measures the first side to be 𝐴=70mA=70m long and the next side to be 𝐵=95mB=95m long... more

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Physics

09/28/22

What are the 𝑥x and 𝑦y distances from where the projectile was launched to where it impacts the target?

A projectile is launched at ground level with an initial speed of 𝑣𝑜=65m/svo=65m/s at an angle of 𝜃=45∘θ=45∘ above the horizontal. It impacts a target above the ground 3s3s later. What are... more

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Physics

09/28/22

An object is dropped from a height of 85.0m85.0m above ground level. Treat the effect of air resistance to be negligible and the upwards direction to be positive.

Include units as appropriate below.a) Determine the distance travelled after 0.50s0.50s.(b) Determine the velocity at which the object hits the ground.(c) Determine the distance travelled in the... more

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Physics Science Physical Science

09/28/22

Help me please i dont even know where to start

Activity 2Record time at various positions below in Activity 2, Table 1 per the details in Activity 2 laboratory exercise instructions. Graph the points from Activity 2 Table 1 and draw a line of... more

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Physics

09/28/22

A crewman stands on a bathroom scale. In calm waters, the scale reads 183 lb . During storm, crewmen find a max reading of 225 lb and a minimum of 140 lb. Max acceleration upward/downward?

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Physics

09/28/22

A mass of 27g of liquid is put into a S.G bottle at 18°C. When heated to a temperature 5g of the liquid was expelled.If the apparent expansivity of the liquid is 0.000997K/^1.Calculate the temperature

Temperature

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Physics

09/28/22

Physics problem (momentum)

A 0.58 kg softball has a velocity of 13 m/s at an angle of 29° below the horizontal just before making contact with the bat. What is the magnitude of the change in momentum of the ball while it is... more

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Physics Math Science Calculus

09/28/22

A car enters a highway at a speed of 5.8 meters/second and accelerates uniformly to 65 meters in 7.2 seconds. What is the speed of the car after this?

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Physics Math Science Calculus

09/27/22

The shuttle lands on the runway at a speed of 105 meters/second. It then decelerates by parachute and comes to a complete stop in 60 seconds.

Assuming constant acceleration, calculate the distance required for the shuttle to come to a complete stop.

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Physics

09/27/22

On dry concrete, a car can decelerate at 6.0m/s2, whereas on wet concrete it can decelerate at only 5.0m/s2.

(a) Find the distance necessary to stop a car moving at 24.0m/s24.0m/s on dry concrete.=(b) Find the distance necessary to stop a car moving at 24.0m/s24.0m/s on wet concrete.=(c) Repeat both... more

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Physics

09/27/22

What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that velocity is a vector)?

A person throws a rock straight downwards off a cliff with an initial speed of 13.0m/s13.0m/s. What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that... more

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Physics

09/27/22

The Box.........

You lift a 64.00-kg box from the floor onto a shelf 1.50m above the floor.If you lift the box with a constant speed, what is the magnitude of the force you exert on the box? Is it upward or downward?

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Physics Science Chemistry

09/27/22

Chemistry Question

Ethanol, C2H5OH, is considered clean fuel because it burns in oxygen to produce carbon dioxide and water with few trace pollutants. If 500.0 g of H2O are produced during the combustion of ethanol,... more

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Physics

09/27/22

What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that velocity is a vector)?

A person throws a rock straight downwards off a cliff with an initial speed of 13.0m/s13.0m/s. What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that... more

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Answers •1

Projectile motion

A total charge Q is distributed uniformly over a rod of length L. The rod is aligned on the x- axis, with one end at the origin and the other at the point x = L. Calculate the field at point (L/2, D)

What is the height of the cliff

Please help me with this question!!

The mass of the larger block

CHEMISTRY Question

why does the ball with less force applied to it go slower than the one with more force?

AP Physics Question

Physics highshool level

physics highschool level question

What is the unknown mass and weight

A landowner has a triangular piece of land that she wants to fence. Starting at the west-most corner, the first side to be A=70m long and the next side to be 𝐵=95m long. What is her result?

What are the 𝑥x and 𝑦y distances from where the projectile was launched to where it impacts the target?

An object is dropped from a height of 85.0m85.0m above ground level. Treat the effect of air resistance to be negligible and the upwards direction to be positive.

Help me please i dont even know where to start

A crewman stands on a bathroom scale. In calm waters, the scale reads 183 lb . During storm, crewmen find a max reading of 225 lb and a minimum of 140 lb. Max acceleration upward/downward?

A mass of 27g of liquid is put into a S.G bottle at 18°C. When heated to a temperature 5g of the liquid was expelled.If the apparent expansivity of the liquid is 0.000997K/^1.Calculate the temperature

Physics problem (momentum)

A car enters a highway at a speed of 5.8 meters/second and accelerates uniformly to 65 meters in 7.2 seconds. What is the speed of the car after this?

The shuttle lands on the runway at a speed of 105 meters/second. It then decelerates by parachute and comes to a complete stop in 60 seconds.

On dry concrete, a car can decelerate at 6.0m/s2, whereas on wet concrete it can decelerate at only 5.0m/s2.

What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that velocity is a vector)?

The Box.........

Chemistry Question

What is the velocity of the rock when it is 5.10m5.10m below the starting point (remember that velocity is a vector)?

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