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Questions (49)
3) As on previous let X_1….X_n be i.i.dwith pdf
f_θ(x)= θx^(θ-1)1(0≤θx≤1) where θ>0 a) Assume we do not actually get
1 answer
653 views
Let X1,…,Xn be i.i.d. random variable with pdf fθ defined as follows:
fθ(x)=θxθ−11(0≤x≤1) where θ is some positive
0 answers
611 views
[4:08 p. m., 10/7/2021] Ejh: 4. Let be i.i.d. normal variable following the distribution , where is the mean and is the
1 answer
698 views
[3:58 p. m., 10/7/2021] Ejh: As on the previous page, let X1,…,Xn be i.i.d. with pdf
F_θ(x)= θx^θ-1*1(0<x<1) Assume we do
0 answers
678 views
2
Let X1,…,Xn be i.i.d. random variable with pdf fθ defined as follows: fθ(x)=θxθ−11(0≤x≤1) where θ is some positive
0 answers
1,064 views
This problem explores the difference between solving a circuit using the KCL/KVL method and the node method. The circuit shown
1 answer
678 views
a box contains ten `pairs of shoes if four shoes are retired there are numeration (1 I) (2 I) (10 I)
X is the set formed by 20
0 answers
408 views
Quiz 12, Problem 4
(2 points possible) A uniform rod of length d is initially at rest on a flat, frictionless table. The rod is
3 answers
1,022 views
Two circular pucks, each of mass M and radius R, slide toward each other and are about to collide on frictionless ice. The pucks
0 answers
763 views
A small circular block of mass M traveling with a speed v on a frictionless table collides and sticks to the end of a thin rod
0 answers
613 views
1 point possible)
A uniform disc of radius R and mass m1 is rotating with an angular speed ωi about an axis passing through its
0 answers
703 views
A square shaped block of mass travels to the right with velocity on a frctionless table surface. The block has side-length
. The
0 answers
537 views
A small circular block of mass M traveling with a speed v on a frictionless table collides and sticks to the end of a thin rod
2 answers
741 views
Two pool balls, each of mass 0.2kg, collide as shown in the figure above. Before the collision, the black ball’s velocity
1 answer
1,537 views
Dylan hangs a calendar on a refrigerator with a magnetic hook. Unfortunately, the magnet is too weak, so the magnet and calendar
2 answers
1,349 views
You drop a block from rest. The block lands on the spring (spring constant = 160Nm) and compresses it .5 m before the block and
1 answer
745 views
Jayden holds a 3kg block pressed up against a spring on a horizontal and frictionless surface. The spring has a spring constant
0 answers
1,300 views
Regarding the figure above, there are three strings tied together suspending a block at rest. Determine the tension in the
1 answer
982 views
You release a ball from rest attached to a string as shown in Figure A. The ball swings freely, and at the bottom of its
1 answer
1,066 views
A skydiver is falling straight downward (prior to having deployed his parachute) when he strikes a woman in a hang glider flying
0 answers
1,238 views
A 2kg box sits at rest on a level floor. Two children push on the box at the same time. Eli pushes horizontally to the right on
0 answers
1,284 views
Michah (mass 40kg) is rollerskating east at 6ms when he collides with Joey (mass 60kg) who is rollerskating west at 5ms. As they
0 answers
581 views
A 2kg box starts from rest and slides down an incline as shown in the picture above. If the block loses 24 Joules of energy due
1 answer
1,655 views
Samuel drops a 2kg ball from some height above the surface of a table. The ball starts from rest and loses 36 Joules of
1 answer
1,182 views
Karen and Bill are rearranging furniture in their house, but they don’t always agree on where all the items should go. At one
1 answer
1,451 views
You are a pulsar astronomer, and you have been measuring the pulses from a particular milli-second pulsar for several hundred
0 answers
733 views
For any given flight, an airline tries to sell as many tickets as possible. Suppose that on average, 10% of ticket holders fail
4 answers
7,967 views
Let X be a continuous random variable. We know that it takes values between 0 and 3, but we do not know its distribution or its
4 answers
1,078 views
Let Sn be the number of successes in n independent Bernoulli trials, where the probability of success for each trial is 1/2.
2 answers
7,273 views
For each of the following sequences, determine the value to which it converges in probability.
(a) Let X1,X2,… be independent
2 answers
6,902 views
Let N,X1,Y1,X2,Y2,… be independent random variables. The random variable N takes positive integer values and has mean a and
0 answers
771 views
A small cube of mass m1= 1.0 kg slides down a circular and frictionless track of radius R= 0.4 m cut into a large block of mass
0 answers
841 views
Gliding mass stopped by spring and friction
(12 points possible) A small block of mass m=1 kg glides down (without friction) a
0 answers
607 views
A spherical non-rotating planet (with no atmosphere) has mass 4 kg and radius 9000 km. A projectile of mass is fired from the
0 answers
613 views
A yoyo of mass 2 kg and moment of inertia 0.04 kg m consists of two solid disks of radius 0.2 m, connected by a central spindle
13 answers
819 views
A ruler stands vertically against a wall. It is given a tiny impulse at such that it starts falling down under the influence of
11 answers
661 views
A source of sound emits waves at a frequency 650 Hz. An observer is located at a distance 190 m from the source. Use m/s for the
10 answers
688 views
Consider a rocket in space that ejects burned fuel at a speed of 1.5 km/s with respect to the rocket. The rocket burns 9 % of
4 answers
690 views
A spherical non-rotating planet (with no atmosphere) has mass m
1= 6 ×10 24 kg and radius r 1= 9000 km. A projectile of mass m
0 answers
651 views
A merry-go-round (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a
3 answers
743 views
A block of mass 2 kg is initially at rest on a horizontal surface. At time , we begin pushing on it with a horizontal force that
5 answers
877 views
Black hole in X-Ray Binary.
(2.75/11.0 points) An X-ray binary consists of 2 stars with masses (the accreting compact object) and
0 answers
453 views
A spacecraft of mass is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in
0 answers
607 views
Black hole in X-Ray Binary.
(2.75/11.0 points) An X-ray binary consists of 2 stars with masses (the accreting compact object) and
0 answers
522 views
Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein
0 answers
537 views
Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters
0 answers
593 views
Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters
0 answers
562 views
b) Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein
0 answers
548 views
Knowing that the energy associated with the formation of 1 mole of vacancies in copper (Cu) is 104 kJ, determine the vacancy
1 answer
415 views
Answers (21)
-c*P/V good
wrong
da/dt=2^t*ln(2)
mit2020 4a 30 =a 4b 4=b 4c 8 =c 4d 2=d
1 Given that exactly two of the six rolls resulted in a 1, find the probability that the first roll resulted in a 1. so is the solution 1/3 2 We are told that exactly three of the rolls resulted in a 1 and exactly three rolls resulted in a 2. Given this
please someone einstein
im an idiot?
this answer is wrong
heyyy i need a good note
1 hour don't torture me
1 c=2 2 ??? 3 d*2
please someone 2 hours left
could yo set numbers pleASE
Let us now assume that both source and observer are at rest, but wind blows at a constant speed v=20 m/s in the direction source towards observer. By comparing the difference of the rate of wavefronts leaving and wavefronts entering the region between
and the rotation?
in numbers 256.5 and 1.71 respectively?
thanks a lot you save my life
0.90Minitial?
and b thanks?
help plase
no cheating is wrong?
