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Question #b8a58

Describe how a satellite is put into orbit around Earth?

Question #bd770

Question #4ee27

Question #3d103

What is the difference between a doppler redshift and a cosmological redshift?

What is the orthocenter of a triangle with corners at #(3 ,1 )#, #(1 ,6 )#, and (2 ,2 )#?

Question #ec927

Question #6c394

The halflife of cobalt60 is 5.3 years. How many years will it take for 1/4 of the original amount of coblat60 to remain?

Can someone help me calculate the speed of this please? Thank you very much!

Question #438b5

Question #95639

How do you solve #3036d=24#?

Question #85239

Question #177d8

Question #06e64

How do you solve the equation #abs(12x)=9#?

Question #d1dd0

Question #ce4ab

How do you find the quotient of #(2y^43y^2+1)div(y1)# using long division?

How does gravity affect the life cycle of stars? How does it start and end the life of a massive star?

Which molecule is involved in transport of oxygen?

What is #(root3(a^2b^2)) sqrt(a^2b^3)# in simplified radical form?

Question #7711a

What conditions make #DeltaG# always positive?

What is the compound interest on a threeyear, #$100.00# loan at a #10%# annual interest rate?

A .0250 kg sock spins in a dryer of radius .225 m once every .304 seconds. How much centripetal force acts on the sock?

Question #9be26

Question #51272

Question #76314

Question #f7297

All external forces on the body cancel out. Which statement must be correct?

Question #f7924

An object is at rest at #(7 ,4 ,2 )# and constantly accelerates at a rate of #4/5 m/s# as it moves to point B. If point B is at #(3 ,6 ,9 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.

A 70.0 kg sailor climbs a 28.3 m rope ladder at an angle of 45.0° with the mast. How much work did he do?

Why CaO is added in water body before pisciculture?

What pressure is exerted by a #8,60*mol# quantity of gas at a temperature of #320*K#, that is confined to a #16.0*L# volume?

How far does a horse travel if it gallops at an average speed of 25 km/h for 30 minutes?

Question #9f748

Question #f7512

If the circumference of a circle is half the area, what is the radius of the circle?

What makes some metals magnetic, and why are there only a few metal elements attracted to magnets?

Question #3ee3e

Question #443d6

What is the absolute magnitude of a type 1 cepheid variable star which has a period of 30 days?

A container has a volume of #24 L# and holds #32 mol# of gas. If the container is compressed such that its new volume is #7 L#, how many moles of gas must be released from the container to maintain a constant temperature and pressure?

Question #aa1f0

An object with a mass of #150 g# is dropped into #500 mL# of water at #0^@C#. If the object cools by #72 ^@C# and the water warms by #3 ^@C#, what is the specific heat of the material that the object is made of?

Question #0205d

How do you simplify #(x 2) ( x + 9) #?

How do you use the graph to solve #0=x^2+2x7#?

Question #ca72d

Question #95582

What is the equation of the line that passes through points #(\frac { 1} { 2} ,\frac { 1} { 3} ) and ( \frac { 1} { 14} ,\frac { 11} { 14} )#?

What is the Cartesian form of #(3,(7pi)/8)#?

Question #af17e

How do you simplify #( 3a  7) + 3#?

A charge of #5 C# is at #(7, 1 )# and a charge of #3 C# is at #(8, 3) #. If both coordinates are in meters, what is the force between the charges?

Question #36f26

Question #a64de

What is (i) the molar mass of #"lead nitrate"#, and (ii), the molar quantity of a #42.65*g# mass of this material?

Question #f6828

How do you solve for parallax?

How many bonds do atoms make?

Question #a1dc8

Question #a226b

If the intensity of a sound from one source is 100 times that of another sound, how much more is the decibel level of the louder sound than the softer one?

Question #11b39

Question #5ca1d

How do you evaluate #\frac { 2} { 3} \times \frac { 5} { 8} \times \frac { 6} { 7}#?

What is the number of real roots of the giving equation?

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