11/15/16

is the force of gravitational attraction between two bodies directly or inversely proportional to the masses of the bodies?
help me please i cannot find an answer to this
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11/15/16

the height in feet of a diver above the surface of a pool is given by the equation h(t)=-16t^2+12t+8, where t is the time in seconds after the diver jumps.
How many seconds after jumping is the divers height 5 meters? How long does it take the driver to reach the water?  
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11/15/16

Physics question
Q A box weighting 20 kg is pushed along the floor at a constant speed by applying horizontal force. If the coefficient of friction is 0.25 then force applied is...?
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11/15/16

Oscillation related doubt
y=10sin(3t+p/3)m   /initial displacement and maximum velocity is ?   Show the calculation part
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11/14/16

John was driving 77 miles per hour if he was to drive the same speed for 7 hours how many miles would he drive
John was driving 77 miles per hour if he was to drive the same speed for 7 hours how many miles would he drive
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11/14/16

How many flies are there?
A group of spiders and flies: there are 1046 legs and 147 heads. How many flies are there
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11/14/16

can the ball reach 592 ft if h=-16t^2 +64t =512
please help  
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11/14/16

find the wavelength of electromagnetic radiation with a frequency of 8.6 x 10 11 hz
 find the wavelength of electromagnetic radiation with a frequency of 8.6 x 10 11 hz
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11/14/16

H= -16t^2+64t+512 after how many seconds does the ball reach 560ft
Also seconds does the ball reach 432ft
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11/14/16

product of integers
The sum of two consecutive integers is -15. What is the product of the two integers?
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11/13/16

with the decrease of current in primary coil from 1 A to zero in 10^-3 sec emf generated in the secondary coil is 100 V Find mutual inductance
With the decrease of current in primary coil from 1 A to zero in 10-3 seconds, emf generated in the secondary coil is 100 V, Find mutual inductance?
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11/13/16

y=2/3x+2 into a word problem?
how can I turn an equation of a line into a word problem?
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11/13/16

physics question involving kinetics (3) please help :)
A girl on a playground swing starts from rest at an angle θ=25.3 from the vertical. The chains have length L=4.6 meters. Find her speed as she passes through the bottom of the swing. Assume no... more
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11/13/16

Translate to Spanish
Do you eat lunch in the cafeteria?  No. We write in English.
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11/12/16

Solve the following word problem.
The speed (in feet per second) of a ball tossed up in the air can be represented by the function v(t)=32|t|+5 where t is time in seconds. Based on this function, at what time would the speed of the... more
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11/12/16

for work to be done a force must be exerted on a system parallel to the direction of mostion
physical science  
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11/12/16

work is not a scalar quantity
physical science 
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11/12/16

Friction Force
A 11.5 kg sled is pulled with a 37.0 N force at a 40 degree angle, across the ground where Mk=0.110. What is the force of friction on the sled? (Unit=N)
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11/11/16

block of mass 20.0 kg slides from rest down a slope
A block of mass 20.0 kg slides from rest down a slope 2.00 meters long which is inclined at 37.6° to the horizontal.  The coefficient of kinetic friction is 0.343.  What is the speed of the block... more
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11/11/16

1. Using the procedure described in the lesson, use limits to determine df/dx for f(x)= x³ . Be sure to show the main steps of your derivation.
1. Using the procedure described in the lesson, use limits to determine df/dx for f(x)= x³ . Be sure to show the main steps of your derivation. 
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11/11/16

word problem
zvaries jointly with yand the square of x. If z=−84 when y=-7and x=−2, find z when x=−3 and y=-6 
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11/10/16

Spanish II: Gustar & verbs like gustar
Please help me with this assignment for Spanish. I keep getting the wrong answers and I do not know why :(Read each description, and then complete the sentences using the correct indirect object... more
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11/10/16

Physics Dynamics
What is the normal force supporting a 900 kg car in a mechanic’s garage on a lift when the lift is accelerating the car up at an acceleration of 1.6 m/s2?
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11/10/16

Dynamics Review
Can an object be moving at 100 km/hr and be in equilibrium? Explain.
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11/10/16

Physics Unit 2
A 4500 kg helicopter accelerates upward at 2.0 m/s2. What lift force is exerted by the air on the propellers? Make sure you draw a FBD and write Fnet = ma to begin this solution. 
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