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Question #40068

Question #765eb

What is the equation of the line perpendicular to # y=(2x)/512 # at #x=1 #?

A model train with a mass of #1 kg# is moving along a track at #6 (cm)/s#. If the curvature of the track changes from a radius of #8 cm# to #9 cm#, by how much must the centripetal force applied by the tracks change?

How do you solve #Csc^2(a/2)=2 Sec(a)#?

A #7 L# container holds #21 # mol and #12 # mol of gasses A and B, respectively. Groups of three of molecules of gas B bind to five molecules of gas A and the reaction changes the temperature from #350^oK# to #420^oK#. How much does the pressure change?

How do you find the domain of f+g given f(x)=3x + 4 and g(x) = 5/(4x)?

How do you determine if the equation # y = 5(1/3) ^ x# represents exponential growth or decay?

A triangle has sides A, B, and C. Sides A and B have lengths of 6 and 4, respectively. The angle between A and C is #(7pi)/24# and the angle between B and C is # (13pi)/24#. What is the area of the triangle?

Question #84561

What is the cross product of #<3 ,6 ,3 ># and #<0 ,1 , 7 >#?

Question #9c132

The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and width of the rectangle?

If y varies inversely as the square of x and y = 8 when x = 2, then what is the value of y when x = 1?

Question #cd6d2

When is an aqueous solution basic? What pH?

Question #d475f

Question #85f29

Question #e4230

What is the axis of symmetry and vertex for the graph # y = x^2 +4x + 3#?

An object with a mass of #7 kg# is on a surface with a kinetic friction coefficient of # 8 #. How much force is necessary to accelerate the object horizontally at # 4 m/s^2#?

How do you evaluate #e^( ( 13 pi)/12 i)  e^( ( 13 pi)/2 i)# using trigonometric functions?

How are atoms and molecules different?

Question #5235c

Question #85cd9

What is the distance between #(3, –1, 1) # and #(–4, 0, 2)
#?

Question #95d67

What is the equation of the parabola that has a vertex at # (4, 16) # and passes through point # (0,0) #?

Question #a01c7

The velocity of an object with a mass of #3 kg# is given by #v(t)=  t^2 +4 t #. What is the impulse applied to the object at #t= 5 #?

What is the vertex form of #y=4xx^2#?

How fast will an object with a mass of #24 kg# accelerate if a force # 33 N# is constantly applied to it?

A triangle has sides A, B, and C. Sides A and B are of lengths #7# and #6#, respectively, and the angle between A and B is #(5pi)/8 #. What is the length of side C?

Question #31c98

What is the period of #f(t)=sin( ( 5 t ) /3 ) #?

Given #a+3/4b=2# and #b+3/4a=6#. How do you find #b/a#?

Jack and Jill are driving down a concrete road in a car on a dry day. The car's weight including Jack and Jill is 10,000 N. What is the frictional force between the rubber tire and concrete road?

How do you divide #( 8i+2) / (i +2)# in trigonometric form?

Two charges of # 2 C # and # 3 C# are positioned on a line at points # 5 # and # 6 #, respectively. What is the net force on a charge of # 8 C# at # 2 #?

How do you factor the trinomial # 14x^2+23xy+3y^2#?

An object with a mass of #5 kg# is on a surface with a kinetic friction coefficient of # 4 #. How much force is necessary to accelerate the object horizontally at # 32 m/s^2#?

A projectile is shot at an angle of #pi/12 # and a velocity of #85 m/s#. How far away will the projectile land?

How can physics help us understand what are the basic building blocks of matter?

What are pendulums used for today?

Why are gears simple machines?

How do adaptive optics work?

In a binary star system, a small white dwarf orbits a companion with a period of 52 years at a distance of 20 A.U. What is the mass of the white dwarf assuming the companion star has mass of 1.5 solar masses?
Many thanks if anyone can help!?

What are some examples of the study of motion?

Question #e36fe