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Questions Asked

My15girl:
Someone please help :( A projectile is fired such that it starts and lands on level ground. Find the angle of elevation such that the maximu…
 updated 23 days ago
 3 replies
 No Medals Yet
Mathematics

My15girl:
Can someone read my lab? It's due tomorrow and I'm not sure about it.
 updated 28 days ago
 5 replies
 4 Medals
Mathematics

My15girl:
Hi can someone read my bio lab. It's due tomorrow and I'm afraid that it isn't as good as it should be. It's grade 12 bio.
 updated 28 days ago
 1 reply
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Mathematics

My15girl:
if a ball falls from rest for 3s and breaks a pane of glass which makes it lose one third of its velocity, find the total distance it will h…
 updated one month ago
 1 reply
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Mathematics

My15girl:
A train is traveling at 100km/h during a fog. as the train comes out into a clear stretch, the engineer suddenly sees a car stalled on the t…
 updated one month ago
 5 replies
 2 Medals
Mathematics

My15girl:
I need help! Someone please help! A car is travelling along the highway at 95 km/h when the driver sees a moose crossing
the road. About 0.…
 updated one month ago
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Mathematics

My15girl:
Two cars pass one another while travelling on
a city street. Using the velocitytime graph
below, draw the corresponding positiontime
…
 updated one month ago
 14 replies
 2 Medals
Mathematics

My15girl:
A population has only 2 alleles, F for individuals with freckles and f for individuals without. The allele frequency of F is 58%. What are t…
 updated 2 months ago
 6 replies
 6 Medals
Mathematics

My15girl:
A baseball player has a batting average of 0.280.
(i) at least 3 hits in her next 5 times at bat
(ii) at least 3 hits in her next 10 times…
 updated 2 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
I need help with this following question from my text book. In the expansion (x+y)^10 write the value of the exponent k in the term that con…
 updated 2 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Can someone help me solve this. I am so lost. How on earth do you solve this! Someone please help!
 updated 2 months ago
 11 replies
 2 Medals
Mathematics

My15girl:
A ball is thrown from a cliff 5 m high above the ground at an angle horizontally with an initial velocity of 15m/s. The ball reaches a maxi…
 updated 2 months ago
 1 reply
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Mathematics

My15girl:
What is the gravitational field strength on a planet with a mass of 2.5x10^21 kg and radius of 3540 km?
I got (2.5x10^21)/(3540000)^2 =1.99…
 updated 2 months ago
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Mathematics

My15girl:
Can someone help with this question! Please! At STP, gases have a volume of 22.4 L per mole. RTP is room temperature (25 °C) and pressure (1…
 updated 2 months ago
 13 replies
 1 Medal
Mathematics

My15girl:
Can someone read my chemistry lab report and help me fix grammar mistakes, I'm so bad at English?
 updated 3 months ago
 1 reply
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Mathematics

My15girl:
Can someone read my lab report and tell me if it's okay?
 updated 3 months ago
 11 replies
 1 Medal
Mathematics

My15girl:
A steel wire is clamped securely at both ends and has a length of 5.6m. It vibrates at its 4th harmonic. It makes 60 complete cycles in 4 se…
 updated 3 months ago
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Mathematics

My15girl:
A steel wire is clamped securely at both ends and has a length of 5.6m. It vibrates at its 4th harmonic. It makes 60 complete cycles in 4 se…
 updated 3 months ago
 4 replies
 No Medals Yet
Mathematics

My15girl:
A steel wire is clamped securely at both ends and has a length of 5.6m. It vibrates at its 4th harmonic. It makes 60 complete cycles in 4 se…
 updated 3 months ago
 No Medals Yet
Mathematics

My15girl:
since pure gold is soft, gold jewellery is usually made with an alloy. An 18 karat gold alloy contains jewellery 75%(m.m) gold. How much of …
 updated 3 months ago
 6 replies
 2 Medals
Mathematics

My15girl:
A child is watching the street traffic. A fire truck is approaching the youngster at 110km/h while blowing its siren at a frequency of 224Hz…
 updated 3 months ago
 3 replies
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Mathematics

My15girl:
The second resonant length of an air column that is open at both ends is 88.0cm. Find the first and third resonant lengths. How do I do this…
 updated 3 months ago
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Mathematics

My15girl:
A string with frequency 420Hz is plucked along with a string of unknown frequency. There are 12 beats heard every 4 seconds. The tightening …
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Open air column is resonating at its second harmonic 580 Hz. If the sound speed is 33om/s, what is the length of this pipe? I got 0.57m as t…
 updated 3 months ago
 8 replies
 1 Medal
Mathematics

My15girl:
A tsunami travelled 3700 km in 5.2 h. If its frequency was 2.9 x 10 4 Hz, what was its wavelength?
 updated 4 months ago
 4 replies
 2 Medals
Mathematics

My15girl:
107. A tsunami travelled 3700 km in 5.2 h. If its frequency was 2.9 x 10 4 Hz, what was its wavelength?
 updated 4 months ago
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Mathematics

My15girl:
How many grams of beryllium chloride are needed to make 125 mL of a 0.050 M solution?
 updated 4 months ago
 2 replies
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Mathematics

My15girl:
Hi, I was wondering if someone could take the time to read my chemistry lab? Just check for some improvements I could make. Positive critici…
 updated 4 months ago
 3 replies
 1 Medal
Mathematics

My15girl:
Hi, I'm doing a chemistry lab for determine the empirical formula of MgO, but I don't know how to answer this question. Why was the crucibl…
 updated 4 months ago
 2 replies
 1 Medal
Mathematics

My15girl:
Hi, I am doing a lab for Determining the Empirical Formula of a Compound, and I am having a hard time answering the first discussion questio…
 updated 4 months ago
 No Medals Yet
Mathematics
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