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July 3, 2020
A driver traveling at 50mph is 80m from a wall ahead. If the driver applies the brake
immediately at a reaction time of 2 seconds
4 answers
asked by
Abdikafi
7,888 views
Draw an accurate diagram for each of the following bearing
1an aircraft flying on a bearing of 075°
3 answers
asked by
awe aliyah
887 views
Suppose you a have a fever and you go to see a doctor. The doctor gives you an injection and says it will make you feel better
2 answers
asked by
Pipee
567 views
A tractor is hauling a large trailer with a the load of mealies upwards on an incline or slope of 1 in 20 .The mass of the
1 answer
asked by
Pearl
558 views
A ladder which is 13m long is made to rest on a vertical pole which is 5m away from the foot of the ladder. How far up the pole
2 answers
asked by
Demilade
662 views
1 -7
1 answer
asked by
Winter
321 views
Fifteen decreased by six times a number is
3 answers
asked by
James
941 views
A pulse of the shape below originates in spring A. The speed of the pulse in this spring is 4.0 m/s. Another spring, B, is
1 answer
asked by
Jonnah
926 views
Charge q1 = 7.00 μC is at the origin, and charge q2 = -5.00 μC is on the x-axis, 0.300 m from
the origin as shown below. (a)
3 answers
asked by
Anonymous
2,462 views
A force of 50N extends by a material by 0.05 m. Calculate the force constant. (a) 10.0 N/m (b) 100.0 N/m (C) 1000.0 N/m (d)
3 answers
asked by
Joshua
875 views
Standing waves are set up in a string by a source vibrating at 100.0 Hz. Seven nodes are counted in a distance of 63.0 cm
4 answers
asked by
Jonnah
1,778 views
A buffer consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use
3 answers
asked by
SALLY
2,042 views
|a| = 5, and b = 8, and the angle formed by a and b is 55°. Determine |4a + b|. Round
your answer to 2 d.p.
2 answers
asked by
Keisha Mitchell
674 views
Form a polynomial f(x) with real coefficients, with leading coefficient 1, having the given degree and zeros.
Degree: 4;
4 answers
asked by
Sam
2,189 views
I original volume is .021 at 24 degrees C, final volume is .019 at -18 degrees C how do I calculate the change in volume?
1 answer
asked by
ray
383 views
A large dam scraper , with a mass of 900kg , is used to build an earth dam by means of a winch system. The slope of the dam wall
2 answers
asked by
Kate
513 views
The nose of a plane is pointing west with an airspeed of 350 km/h. The plane’s resultant ground velocity is 315 km/h [S75°W].
4 answers
asked by
Anna
1,384 views
A glider of mass m is attached to a spring that has a force constant k. The glider is set into simple harmonic motion with
2 answers
asked by
Jimmy
976 views
What is the equation that is perpendicular to the line y=2x-3 and passes through the point (-6,5)? Show all of your work.
y = 2x
5 answers
asked by
jessica
3,719 views
Determine the value(s) of x such that the area of the parallelogram formed by the vectors a=(x+1, 1, -2) and b=(x,3,0) is the
5 answers
asked by
Anna
1,737 views
Chris pulled a sled 153 m by exerting a constant force of 225N at a constant angle of 65 degrees to the level ground. Find the
2 answers
asked by
Anna
834 views
The maximum lung capacity of an average adult is about 4-6 L. A scuba diver takes a breath of about 2.1 L of air at a depth of
2 answers
asked by
Jonnah
811 views
chem help!! have to make a graph. need help plzz.. thank you!!!! fastttt!!. Make sure to label axes and title the graph. its A
2 answers
asked by
Jonnah
721 views
Sorry to post the same question again, but I haven't gotten any answers on the last time I asked which was roughly 9 hours ago.
3 answers
asked by
Dog_Lover
480 views
What is the equation of the line: * parallel to the line y = -¼x + 5 and * passing through the point (2, -1)
y = -¼x + 4 y =
3 answers
asked by
jessica
474 views
Charles law
If the relationship between temperature and volume of a gas at a constant pressure is linear, explain why the volume
2 answers
asked by
Jonnah
1,334 views
I collected questions from my book which I don't understand plz help me I am stuck plzz.!!!!!!!!
Three different solutions
2 answers
asked by
Jonnah
860 views
Determine the value(s) of k such that the angle between the vectors a= (1,1,k) and b=(1,0,1) is 45 degrees.
4 answers
asked by
Anna
2,019 views
Line A passes through the points (-8, 5) and (-5, 4). Line B passes through the points (0, 1) and (4, -1). Which of the
4 answers
asked by
jessica
1,096 views
The ratio of the 6th to the 2nd term of geometric sequence is 256.If the 3rd term of this sequence is 32.Determine the first and
4 answers
asked by
lucy
1,306 views
Two ships A and B left a port each with a uniform speed on bearing 045 degree and x degree respectively. After 4hrs, they
4 answers
asked by
Nicholas
820 views
The distance of a boat from a bridge 120 m high above sea level is 200m. Calculate the angle of elevation of the bridge from the
1 answer
asked by
Chinele
465 views
The distance of a boat from a bridge 120 m high above sea level is 200m. Calculate the angle of elevation of the bridge from the
3 answers
asked by
Chinele
588 views
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats.
3 answers
asked by
JP
751 views
A force of 2N stretches an elastic material by 0.03m. What additional force will stretch the material by 0.03. Assume that the
3 answers
asked by
Christel
445 views
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