Answers created by Pankaj Solanki
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Double derivative of -sin(sinx)cosx..?
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A charge of #3 C# is at #(3, -1 )# and a charge of #-4 C# is at #( -3, 7 )#. If both coordinates are in meters, what is the force between the charges?
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How to find the first term, the common difference, and the nth term of the arithmetic sequence here?
8th term is 4; 18th term is -96
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A charge of #-2 C# is at #(4, 7)# and a charge of #-1 C# is at #( 5, 2)#. If both coordinates are in meters, what is the force between the charges?
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How do you solve #3( 1+ 4n ) - 2( 5n - 3) = 25#?
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A charge of #1 C# is at #(-2,7,1)# and a charge of #2 C# is at #(8,-1,4) #. If both coordinates are in meters, what is the force between the charges?
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Question #f066d
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Two forces of 3 N and 4 N act on a body simultaneously and the forces are perpendicular to each other. What is the net force on the body?
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Question #c51a5
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Question #dc133
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An object travels North at # 5 m/s# for #2 s# and then travels South at # 3 m/s# for # 2 s#. What are the object's average speed and velocity?
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A projectile is shot at an angle of #pi/6 # and a velocity of # 1 m/s#. How far away will the projectile land?
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Question #b88bf
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How do you simplify #3sqrt27+4sqrt12-sqrt300#?
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Raindrops are falling vertically at a speed of 120 km/h through air that is moving horizontally at a speed of 40 km/h(i.e. the wind is 40 km/h). At what angle do the drops strike the ground?
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Question #52e2a
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Question #ab4af
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Question #9b2b7
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How do you find the derivative of #F(x) = sqrt( (x-8)/(x^2-2) )#?
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Question #62e23
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Derive the relationship between #"g"# and #"G"#?
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Question #bc3b7
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Question #c2684
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Question #4fa34
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How do you solve #3x - 1( 5+ x ) = 2( x + 5)#?
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How do you expand the binomial #(x+4)^5# using the binomial theorem?
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Question #25f98
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Question #c6810
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Question #0bebb
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Question #3a861
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Objects A and B are at the origin. If object A moves to #(-3 ,-8 )# and object B moves to #(-2 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
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Question #e8598
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3((n+3)!-(n+1)!)=2((n+3)!+(n+1)!) calculate n value ?
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How do you simplify #(1-2i)(3+4i)#?
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How do you find #g(0)# given #g(x)=-5x+2#?
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Question #067a2
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What is #f(x) = int (x-2)/(x-1) dx# if #f(2) = 0 #?
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Calculate the acceleration of a 300,000-kg jumbo jet just before takeoff when the thrust on the aircraft is 120,000 N ?
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Consider a 40-kg block of cement that is pulled sideways with a net force of 200 N.
Show that its acceleration is 5 m/s^2?
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When a cannonball is fired from a cannon, both the cannonball and the cannon experience equal ... ?
LOOK AT THE DETAILS FOR CHOICES :
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An object is at rest at #(1 ,2 ,1 )# and constantly accelerates at a rate of #2/3 m/s# as it moves to point B. If point B is at #(4 ,9 ,5 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
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A ball with a mass of #480 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #24 (kg)/s^2# and was compressed by #8/9 m# when the ball was released. How high will the ball go?
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Forces of 3.0 N and 4.0 N act at right angles on a block. What should be the mass of the block for the acceleration to be 1 m/s^2 ?
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Two integers have a sum of 16. one of the integers is 4 more than the other. what are the other two integers?
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How do you solve #-5n-8(1+7n)=-8#?
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Please help me?
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Question #330de
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A soccer goalie kicks a ball with force of 1500 newtons. The ball has a mass of 0.9 kg. At what rate will the ball accelerate?
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Question #7731e
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Question #37132
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How do you solve #1/ (2x+ 3) + 1/ (4x-3) = 5#?
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Question #68f57
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Question #e453a
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Question #eaa93
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Can you solve all these equations please ? Solve 4a+3=11
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Question #e84e5
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What is the density of copper if an #89.6*g# mass of the metal has a volume of #10.9*cm^3#?
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Objects A and B are at the origin. If object A moves to #(-6 ,-5 )# and object B moves to #(-1 ,12 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
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How do you simplify #(8^ { 6} ) ^ { 2} \div ( 8^ { 2} ) ^ { 5}#?
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Question #6578b
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A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. What is the speed of the train?
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Question #45b9d
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An object is moving with a constant velocity of 278 m/s. How long will it take it to travel 7500 m?
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Question #71971
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The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/4t) #. What is the speed of the object at #t = 1 #?
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The current in a wire is 4.0 amperes. What is the time required for #2.5 times 10^19# electrons to pass a certain point in the wire?
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On a 120 km long railway track, a train travels the first 80 km at a uniform speed of 160 km/h. What is the speed with which the train should move on the rest of the track so as to get the average speed of 80 km/h for the entire trip?
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Question #0c7df
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Question #75e99
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A triangle has corners at #(9 ,5 )#, #(2 ,7 )#, and #(3 ,4 )#. How far is the triangle's centroid from the origin?
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Question #71e46
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How do you differentiate #f(x)= 5sinx*(1-2x)^2 + cosx*(x+1)# using the product rule?
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Question #99ac1
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Question #a126a
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Question #a126a
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Question #13154
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A force of 20 N is applied to a 10 kg mass on a level frictionless surface. What is its acceleration?
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Question #bed92
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Question #fb742
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How do you find the lengths of the arc on a circle of radius 15 inches intercepted by the central angle #180^circ#?
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A ball with a mass of #400 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #25 (kg)/s^2# and was compressed by #3/7 m# when the ball was released. How high will the ball go?
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Question #f7702
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Question #6ffd9
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How do you find the area bounded by the x axis, y axis, #y=x^2+1# and #x=2#?
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Two objects have masses of #3 MG# and #10 MG#. How much does the gravitational potential energy between the objects change if the distance between them changes from #130 m# to #24 m#?
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Question #4f1ca
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How do you solve this system of equations: #-8x - y = 14 and - 5x + y = 12#?
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Question #c4fa3
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Question #b3aa8
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Question #159c0
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A thin rope 200 inches length is going to be cut into three pieces to form one circle and two equal squares. Which of the following represents the #r# of the circle, if the rope was finally cut in such a way that the total area of the shapes is minimized?
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How do you find #lim sin^2x/x# as #x->0# using l'Hospital's Rule?
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Question #5952a
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If #cos60^@=1/2#, what is #sec60^@#?
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Question #bc12d
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Question #b71d2
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How do you solve #x+ \frac { 3} { 8} = \frac { 7} { 5} x + \frac { 1} { 9} + \frac { 5} { 8}#?
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How do you find the sum of #Sigma (3i-1)# from i=1 to 6?
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Any trigonometry expert here to help, please?
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Question #2ebe8
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