10/10/19

How to find the new pressure?
A gas has an initial volume of 0.9 L, an initial pressure of 32 atm and a temperature of 24.80 K. The temperature is decreased to 10.01 K. At this new temperature the volume is 744 mL. What is the... more
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10/10/19

Inverse Variation
The speed of the water in a whirlpool varies inversely with the radius. If the water speed is 2.5 feet per second at a radius of 30 feet, what is the speed of the water at a radius of 3 feet?
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10/10/19

Buoyancy and Archimedes Principle
When a block of ice is placed in alcohol, it sinks to the bottom. If the ice were to melt, would the fluid level increase, decrease, or remain the same?
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10/10/19

Find the acceleration of the deer during collision.
A 1200kg car collides with a 160kg deer. The collision results in an acceleration ("deceleration") of 2.5m/(sec)^2 for the car. Find the acceleration of the deer during the collision. Find the... more
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10/09/19

after a bottle rocket reached its maximum height and then took 5 Seconds to return to the launch site what is the approximate maximum height reached by the rocket
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10/09/19

what is the speed of a 2.5 kg Mass after it has fallen freely from rest through a distance of 12 m
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10/09/19

Using function notation, which of the following correctly states evaluating the function f(x) when x = -1?
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10/09/19

In hitting a ball of mass, m, with a baseball bat, the bat exerts a force, F on the ball for a short time, delta t.

The ball had an initial velocity, v1, just before it was hit and a final velocity, v2, right after it was hit. What was the impulse of the force acting on the ball, if all the motion takes place in... more
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10/09/19

Two masses of 2.0 kg and 42.0 kg, resting on a frictionless table, are connected by a compressed spring. When the spring is released, the smaller mass has a velocity of 13.0 m/s.

What is the velocity of the larger mass?
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10/09/19

Construct a polynomial function, with 5 zeros, with one zero with a multiplicity of 3, and one with a multiplicity of 2
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10/09/19

Inverse Variation

To balance a seesaw, the distance a person is from the fulcrum is inversely proportional to his or her weight. Roger, who weighs 120 pounds is sitting 6 feet from the fulcrum. Ellen weighs 108... more
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10/08/19

It's a Math question, yes for college. I know I hate it too -.-
The line conttains the point(-2,1) and is perpendicular to a line with a slope of 3/2. The equation of the line is:
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10/08/19

In slope intercept form of the line that has a slope of 2 and contains the point (3,7)

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10/08/19

(a+bi)(c+di)=(3+36i) - Complex Numbers Equation Help
I got no solution for this question but apparently it isn't right:Directions: Find Integers a,b,c,d such that: (a+bi)(c+di)=(3+36i)
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10/07/19

What is the acceleration due to gravity near the surface of planet X?
Near the surface of earth the acceleration due to gravity is 9.8 m/s^2. planet X has the same mass as the earth and twice the radius.
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10/07/19

A plane flies from NY to LA at a constant speed of 800 km/hr. How long will it take the plane to fly the 4200 km?
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10/07/19

(-2,-2) slope=1
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10/07/19

What is the product of a number and 3 is less than 12 put into an equation
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10/07/19

how do you write a polynomial function of least degree that has rational coefficients, a leading coefficient of 1, and the zeros: x= 3, -2, -1+i
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10/07/19

How do I get m out of this Algebra 1 question?
The formula F=GmM r^2 gives the gravitational force between two masses m and M separated by a distance of r units. The value G is a constant. Select the formula solved... more
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10/07/19

Two asteroids are gravitationally attracted to

Two asteroids are gravitationally attracted to each other due to their mass and the distance between each other. If they are suddenly pushed twice as far away, how many times greater or smaller... more
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10/07/19

One 71kg person steps onto the elevator in the empire state building. If the elevator lifts her mass up 320m to the lower observatory,

One 71kg person steps onto the elevator in the empire state building. If the elevator lifts her mass up 320m to the lower observatory, how much potential energy has been exerted on her?
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10/07/19

Find resultant acceleration of object with 40 kg mass and net force of 47N
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10/06/19

a sample of 2.50kg of water is held at a temperature of 100 celsius. how much energy must be added to completely turn the liquid water to water vapor
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10/06/19

2d Kinematics problem about projectile motion
A ball is rolled down a ramp and launched off of a balcony. If the ball leaves the ramp with a horizontal velocity of 3.1 m/s, and the balcony is 4.3 meters tall, how far from the base of the... more
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