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2019
June

Questions Asked on June 23, 2019

A bullet of mass 0.010 kg and speed of 100 m/s is brought to rest in a wooden block after penetrating a distance of 0.10 m. The
1. 6 answers
2. asked by mssailormouth
3. 4,263 views
a ship drops its anchor into the water and creates a circular ripple. the radius of this ripple increases at a rate of 50m/sa)
1. 3 answers
2. asked by joseph
3. 2,256 views
A roller coaster with people on board has a total mass of 4500 kg and starts at a height of 22 meters with a speed of 2.0 m/s.
1. 3 answers
2. asked by mssailormouth
3. 1,758 views
In an auditorium, a physics teacher uses a pendulum made by hanging a bowling ball from a wire to the ceiling. At the low point
1. 3 answers
2. asked by mssailormouth
3. 1,719 views
Write as a matrix equation and solve each system.2x + 5y - 2z = 23 3x - 4y + 2z = 5 5x - 6y - 4z = 3
1. 1 answer
2. asked by Anonymous
3. 1,550 views
The table shows the number of people that went to see a movie last week. Use these statements to complete the table.On Thursday,
1. 3 answers
2. asked by Hi
3. 1,463 views
A car was valued at $35,000 in the year 1990. The value depreciated to $10,000 by the year 2003.A) What was the annual rate of
1. 1 answer
2. asked by Andrea
3. 1,433 views
A car was valued at $35,000 in the year 1995. The value depreciated to $12,000 by the year 2006.A)What was the annual rate of
1. 1 answer
2. asked by Andrea
3. 1,143 views
A water reservoir in the form of a cone mounted on a hemispere is built such that the plane face of the hemisphere is built fits
1. 1 answer
2. asked by Diana
3. 1,061 views
Each of three players has written a list of 100 words. The lists are compared and all the words that appear in at least two
1. 1 answer
2. asked by Madeline
3. 1,003 views
In a circle of radius 12cm a chord is drawn 3cm from the centre. Find the angle subtended at the centre
1. 4 answers
2. asked by Emmanuel
3. 950 views
Two trains, one starting in Calgary and the other in Edmonton, travel towards one another. The Edmonton train travels at 120
1. 3 answers
2. asked by Anonymous
3. 932 views
A projectile is launched horizontally from a height of 2.2 meters at 35 m/s. How far will it travel horizontally before it hits
1. 1 answer
2. asked by mssailormouth
3. 843 views
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of
1. 1 answer
2. asked by deborah
3. 755 views
3.0g of a mixture of potassium carbonate and potassium chloride were dissolve in a 250cm standard flask. 25cm of this solution
1. 1 answer
2. asked by CEO
3. 697 views
6.54 of zink must react with excess dilute hydrochloride acid calculate the volume of the hydrogen at s.t.p zn+21+cl= zncl+ h(g)
1. 2 answers
2. asked by Mutmoinah
3. 670 views
How can good leaders protect the interest of their followers
1. 1 answer
2. asked by Olalekan
3. 664 views
A ship P sails at an average speed of 50km/hr on a bearing of N55 degree E from a point R.At the same time another ship Q sails
1. 2 answers
2. asked by Kenny
3. 644 views
A 10 kg rock that has been dropped from a 60 meter high cliff experiences a average force of air resistance of 30 N. Calculate
1. 2 answers
2. asked by mssailormouth
3. 628 views
Name a prominent African empire (that once controlled Senegambia and West Africa) from the 13th to 16th centuries.One of them I
1. 3 answers
2. asked by Elizabeth
3. 607 views
the study of finances of Glassford motors has shown that the profit of the company is modeled by p=-2n^2+800n+370000, where p is
1. 2 answers
2. asked by jolyne
3. 592 views
The distance traveled by a particle starting from rest is plotted against the square of the time elapsed from the start of the
1. 1 answer
2. asked by Diana
3. 577 views
A 1600 kg car moving at 22 m/s is in a wreck with a 2900 truck moving at 32 m/s in the opposite direction. Which exerts a
1. 1 answer
2. asked by mssailormouth
3. 553 views
As balloon goes up, the weight of air displaced becomes less and less. This means that the upthrust...
1. 1 answer
2. asked by kevi
3. 538 views
Amy and Kali are selling cookie dough for a school fundraiser. Customers can buy packages of whitechocoloate chip cookie dough
1. 1 answer
2. asked by Anonymous
3. 501 views
a man stands on the roof of a building and throws a stone upwards at 15 ms-1. after what time will the stone hit the ground 20m
1. 2 answers
2. asked by Rahimaa
3. 489 views
What is the formula for NORMAL force?
1. 2 answers
2. asked by mssailormouth
3. 437 views
Solve the equation using crammer's rule: X -3Y =277X +2Y =9?
1. 1 answer
2. asked by Diana
3. 410 views
Numbers a, b and c are such that a>- 0, b>-0 and c>-0. Prove that 2(a^3 + b^3 +c^3)>- ab(a+b) +bc(b+c) +ca(c+a).
1. 1 answer
2. asked by Jennifer
3. 395 views
A car travel of 8km from p to q then move 6km at right angle to pq.find it travel distance
1. 1 answer
2. asked by Anonymous
3. 360 views
Calculate the weightF=7500 a=2•5 M=3000kg
1. 1 answer
2. asked by Lindie
3. 340 views

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