Questions Asked

Joshuam1:
Group Title
Using the letters R, S, and T, find how many different twoletter combinations you can create.
A. 1
B. 3
…
 updated one year ago
 2 replies
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Joshuam1:
Group Title
5. An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Draw a ray diagram of the setup showing the location of…
 updated one year ago
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Joshuam1:
Group Title
An object is placed 10.0 cm to the left of a convex lens with a focal length of +8.0 cm. Where is the image of the object?
18 cm t…
 updated one year ago
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Joshuam1:
Group Title
Monochromatic light of 605 nm falls on a single slit, which is located 85 cm from a screen. The first dark band appears at 5.4 mm from the c…
 updated one year ago
 1 reply
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Joshuam1:
Group Title
A shotputter throws a 5.0 kg shot at a speed of 10.0 m/s. What is the kinetic energy of the shot?
1,000 J
…
 updated one year ago
 9 replies
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Joshuam1:
Group Title
In a closed system, Glider A with a mass of 0.40 kg and a speed of 4.00 m/s collides with Glider B at rest with a mass of 0.40 kg. The two i…
 updated one year ago
 13 replies
 1 Medal

Joshuam1:
Group Title
In a closed system, Glider A with a mass of 0.40 kg and a speed of 4.00 m/s collides with Glider B at rest with a mass of 0.40 kg. The two i…
 updated one year ago
 No Medals Yet

Joshuam1:
Group Title
An ampere is the SI unit of which of the following?
electric potential difference
…
 updated one year ago
 2 replies
 1 Medal

Joshuam1:
Group Title
A 10.0 kg ball falling at 10.0 m/s hits a pile of feathers and comes to a complete stop in 10 s. What force does the pile of feathers exert …
 updated one year ago
 3 replies
 2 Medals

Joshuam1:
Group Title
A 10.0 kg ball falling at 10.0 m/s hits a pile of feathers and comes to a complete stop in 10 s. What force does the pile of feathers exert …
 updated one year ago
 24 replies
 1 Medal

Joshuam1:
Group Title
What is the energy of a single photon of infrared light with a wavelength of 1.00 μm? 1 μm = 10^6 m
1.98 × 10^19 J
…
 updated one year ago
 3 replies
 1 Medal

Joshuam1:
Group Title
Discuss the differences between the measurement of the surface area and the measurement of the volume of a right triangular prism. Include t…
 updated one year ago
 6 replies
 1 Medal

Joshuam1:
Group Title
Discuss the differences between the measurement of the surface area and the measurement of the volume of a right triangular prism. Include…
 updated one year ago
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Joshuam1:
Group Title
Complete twocolum proof
 updated one year ago
 22 replies
 1 Medal

Joshuam1:
Group Title
Find the length of the hypotenuse of a right triangle if a = 3 and b = 4. Use: a2 + b2 = c2
5
…
 updated one year ago
 7 replies
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Joshuam1:
Group Title
Refer to the right trapezoidal prism.
A. What is the surface area of the right trapezoidal prism?Hint: It is turned on its side.
…
 updated one year ago
 55 replies
 2 Medals

Joshuam1:
Group Title
Complete the twocolumn proof
 updated one year ago
 9 replies
 1 Medal

Joshuam1:
Group Title
A force of 500 Newtons will compress a spring 0.5 meters. What is the spring constant of the spring?
A. 1000 m/Newton
…
 updated one year ago
 5 replies
 1 Medal

Joshuam1:
Group Title
5. An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Draw a ray diagram of the setup showing the location of…
 updated one year ago
 No Medals Yet

Joshuam1:
Group Title
An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Draw a ray diagram of the setup showing the location of th…
 updated one year ago
 No Medals Yet

Joshuam1:
Group Title
Compare and contrast Euclidean geometry and spherical geometry. Be sure to include these points:
a) The role of the Parallel Postulate in…
 updated one year ago
 1 reply
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Joshuam1:
Group Title
Compare and contrast Euclidean geometry and spherical geometry. Be sure to include these points:
a) The role of the Parallel Postulate in…
 updated one year ago
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Joshuam1:
Group Title
Which of these shapes are topologically equivalent?
…
 updated one year ago
 1 reply
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Joshuam1:
Group Title
find X using cosine
 updated one year ago
 8 replies
 1 Medal

Joshuam1:
Group Title
Doug's house is behind a baseball field and he wants to place a sign on the corner of his fence that tells the distance (in feet) that the s…
 updated one year ago
 3 replies
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Joshuam1:
Group Title
If the scale factor of two geometric figures is greater than 1, then the preimage is bigger than the image.
True
False
…
 updated one year ago
 1 reply
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Joshuam1:
Group Title
Which of these standard photo size dimensions is closest to the golden ratio?
A. 11 x 17
B. 8 x 10
…
 updated one year ago
 3 replies
 1 Medal

Joshuam1:
Group Title
Five out of 8 students are righthanded. How many righthanded students are there out of 16?
A. 10
…
 updated one year ago
 1 reply
 1 Medal

Joshuam1:
Group Title
Any regular polygon has rotational symmetry.
True
False
…
 updated one year ago
 2 replies
 1 Medal

Joshuam1:
Group Title
A standard piece of printer paper has the dimensions 8.5" by 11". What is the ratio of the longer side to the shorter to the nearest hundr…
 updated one year ago
 4 replies
 1 Medal
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