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Hale
Questions (13)
A 15 kg, 1m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
5 answers
562 views
Jack and Jill are skating. Jill has a mass of 50 kg, Jack has a mass of 80 kg. At t=0 seconds Jill starts skating across a 50 m
2 answers
763 views
<p>What is the remainder when \(5\times 55\times 555 \times \ldots \times \underbrace{555\ldots 55}_{555 5's}\) is divided by
2 answers
1,202 views
Square ABCD has M as the midpoint of AB, N as the midpoint of BC, P as the midpoint of CD and Q as the midpoint of MP. If the
1 answer
888 views
In the plane, the points with integer coordinates are called lattice points. Suppose a flea in the plane jumps from one lattice
1 answer
655 views
If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect
3 answers
1,045 views
A newly designed international airport is planning to label its gates. Each gate must be assigned a letter from the alphabet
0 answers
405 views
The tortoise and the rabbit were in a 42 kilometer marathon. The rabbit can run 5 times as fast as the tortoise. Less than
2 answers
1,392 views
If a,b, and c are non-zero reals such that a + b + c = 11, and 1/a + 1/b + 1/c = 0, what is the value of a^2 + b^2 + c^2?
1 answer
352 views
Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of
1 answer
545 views
The brakes of a certain 2400 lb car can exert a maximum force of 750 lbs. What is the minimum time needed to slow the car down
0 answers
579 views
How much force is needed to bring a 3200 lb car from rest to a velocity of 44 ft/s in 8 seconds? Please indicate the formula
2 answers
1,810 views
which dam must be stronger, one that hold back 100000 m^3 of water 10 meters deep or one that holds back 1000 m^3 of water 20
6 answers
1,833 views
Answers (3)
I don't know why but I took the assessment and used Here is Here's answers and only got three right. I can't retake this either
7/15 :)
Thank you sir! :)
