01/13/21

Having trouble on this
The first word spoken on the surface of the Moon after Apollo 15 landed on July 30, 1971, was “Bam!” this was James Irwin’s involuntary reaction to their rather bone-jarring touchdown. “We hit... more
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01/13/21

Complete the general form equation of the parabola that passes through (1,20) with vertex at (−2,2) .
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01/13/21

2. An automobile travels a displacement of 75 km 45° north of east. How far east does it travel and how far north does it travel?
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01/13/21

a speed skater moves across a frictionless ice at 7.0 m/s.
She slows steadily while on the rough patch, then continues on at 4m/s for 2s. a) What is her acceleration while on the rough patch? b) what's her total displacement?
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01/13/21

Please help, thank you in advance
Write the Riemann sum to find the area under the graph of the function f(x) = x3 from x = 2 to x = 5.OPTIONS   
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01/12/21

Find the point on the graph of the function that is closest to the given point. f(x) = radx − 9 , (16, 0)
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01/11/21

Write an equation.
Little Billy is twenty pounds less than Big Billy. Together they weigh 100 pounds. Use p for weight.
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01/11/21

A curve y=f(x) is passing through (2,  0) and slope of its tangent at any point (x,  y) is (x+1)2+y−3x+1 , then the area bounded by the curve y=f'(x) and the axes is
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01/09/21

Related Rates (Derivatives)
How to show that if the volume of a balloon is decreasing at a rate proportional to its surface area, the radius of the balloon is shrinking at a constant rate.
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01/07/21

The pendulum on a grandfather clock is 0.993 m long, and swings to a maximum 4.57° angle. At that point, how high is it above the lowest point in its swing? Unit=m
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01/07/21

Physics Relative motion

A ferryboat, whose speed in still water is 4.00m/s, must cross a river whose current is 3.00m/s. The river runs from west to east and is 128m wide. The boat is pointed north. a) If the boat does... more
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01/07/21

The count in a bacteria culture was 500 after 20 minutes and 1600 after 40 minutes. Assuming the count grows exponentially,
The count in a bacteria culture was 500 after 20 minutes and 1600 after 40 minutes. Assuming the count grows exponentially,What was the initial size of the culture?Find the doubling period.Find the... more
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01/02/21

Question of Physics

Force F acting on a particle is given byF= -kyi-kxjwhere k is a constant. Find work done by F when the particle is moving from the origin A (0,0) to point B(a,b) 1)along path 1 and2) along path... more
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01/02/21

Question of Physics

Is the following force F conservative? Explain your result briefly.F=-ky3x2i-ky2x3jwhere k is a constant.
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12/31/20

I need assistance here
The improper integral is given by ∫0 ∞ 2/x2-2x dxwhich of the following statement is true?A. The improper integral converges.B. The improper integral diverges.C. The value of the integral is... more
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12/29/20

What point on the line 3x – y = 4 is closest to the point A(–2, 3)?

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12/29/20

Suppose that cos(x) = -4/5, and pi/2 < x < pi. Find the exact value of cos(2x). (Enter an exact number as an integer, fraction, or decimal.)
I am really struggling with this portion of my homework. Help would be greatly appreciated, thank you.
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12/27/20

5 AP Physics Uniform Circular Motion Questions (URGENT!!)
A 5.0-kg object attached to the end of a 4.0-m rope is moving in a vertical circle. What is the object's linear velocity at the top of the circle if the tension in the rope at this point is 30... more
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12/22/20

Homework: Vectors (Section 8.4)
An airplane needs to head due north, but there is a wind blowing from the southwest at 60 km/hr. The plane flies at an airspeed of 600 km/hr,To end up due north, the pilot will need to fly the... more
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12/20/20

the larger of 2 numberd is more than three times the smaller number is the sum of the numbers is 49 find the numbers
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12/20/20

Find the smaller x-value and larger x-value of the graphs of the equations algebraically and then verify using a graphing utility. x^2-y^2-14x+10y-25=0 x^2+y^2-14x-10y+25=0
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12/20/20

A 142 kg motorcycle is driving around a turn with a radius of 76 m at a constant speed of 19.3 m/s.
A 142 kg motorcycle is driving around a turn with a radius of 76 m at a constant speed of 19.3 m/s. What is the minimum force of friction required to prevent the cycle from sliding off of the road?
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12/20/20

A car is driving around a turn with a radius of 22.2 m.
A car is driving around a turn with a radius of 22.2 m. If the coefficient of friction between the tires and the road is 1.38, what is the maximum speed the car can maintain around the turn without... more
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12/19/20

Find the general solution of the ODE x^2 y" + xy' + (x^2 - 1/4 )y = x^3/2 cos x if sinx/√ x and cosx/√x are two independent solutions of the corresponding homogeneous problem for x > 0.
Use method of Variation of parameters
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12/19/20

Vectors and Projectile

A helicopter flies for 80 miles. then turns and flies at a heading of 60°for 40 miles.What is the magnitude and direction of the net displacement of the helicopter.Include a drawing
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