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khally92:
Thomas the train and Diesel are involved in an elastic collision. A 2.5 kg Thomas is, at rest but is approached headon by a 5.0 kg Diesel m…
 updated one year ago
 2 replies
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Mathematics

khally92:
A bullet of mass 45 g is fired at a speed of 220 m/s into a 5.0kg sandbag hanging from a string from the ceiling. The sandbag absorbs the b…
 updated one year ago
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Mathematics

khally92:
A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of th…
 updated one year ago
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Mathematics

khally92:
In a rescue scene during the 911 crisis, a helicopter of mass 6000kg accelerates upward at the rate of 0.50ms^1 while lifting a 2500kg piec…
 updated one year ago
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Mathematics

khally92:
Please find attachment below?
…
 updated one year ago
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Mathematics

khally92:
Jack is driving with a pail of water along a straight pathway at a steady 25ms when he passes jill who is parked in her minivan waiting for…
 updated one year ago
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Mathematics

khally92:
An airplane requires 420m of runway to take off from an airstrip. if the plane starts from rest and it takes 32s to lift off, with what velo…
 updated one year ago
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Mathematics

khally92:
Please could any one sketch the graph of Square root of F=1/R thanks
 updated one year ago
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Mathematics

khally92:
please how would the graph of the variation F=1/R^2 look like. thanks
 updated one year ago
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Mathematics

khally92:
The force between two charges Q and q is 0.000000031N. when the two charges are separated by 3.0m. using the formula F=kQq/r^2 determine t…
 updated one year ago
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Mathematics

khally92:
during a pond hockey game, a punk accelerates from rest at 5.0m/s/s over a distance of 80.0cm. the punk then slides with a constant speed f…
 updated one year ago
 20 replies
 3 Medals
Mathematics

khally92:
some mean bond enthalpy are given below CC 348 Kjmol HH 436 Kjmol CLCL 242 Kjmol CH 412
1) write the equation for the reaction used …
 updated one year ago
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Mathematics

khally92:
Decscibe the shape of the intersection of the plane z=3 and the plane y=z in three space... pleaseeeeeeeeeeeeeeeeeeeee......
 updated one year ago
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Mathematics

khally92:
Describe the Shape of the intersection of the plane z=3 and the plane y=z in three space. please i need help. i need to submit these assig…
 updated one year ago
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Mathematics

khally92:
Solve the system of the linear equation and interpret your solution geometrically
2x+y+2z4=0
…
 updated one year ago
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Mathematics

khally92:
Solve the system of the linear equation and interpret your solution geometrically
2x+y+2z4=0
…
 updated one year ago
 25 replies
 1 Medal
Mathematics

khally92:
given two vectors u and v such that u.v=u.v. explain what you know about the two vectors? its a vector question under cross product and …
 updated one year ago
 12 replies
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Mathematics

khally92:
given u=(1,3,2) v=(2,2,2) w=(5,1,4)
demonstrate that u, v, w are perpendicular to each other.... its a question under cross product an…
 updated one year ago
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Mathematics

khally92:
Eample of where rate of change of a funtion can be used in real life situation.......... please
 updated one year ago
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Mathematics

khally92:
aftera particularly harsh winter, the regrowth of a population of rabbit in an area is given by p(t)=500/1+e^t. whare t is the time in year…
 updated one year ago
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Mathematics

khally92:
A radio active substance has a half life of 20days
how much time is required so that only 1/32 of the original amount remains?
…
 updated one year ago
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Mathematics

khally92:
The length of a cedar chest is twice its width. the cost/dm^2 of the lid is four times the cost/dm^2 of the rest of the cedar chest. if the …
 updated one year ago
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Mathematics

khally92:
please what is the derivative of p(t)= 500/1+e^t. thanks
 updated one year ago
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Mathematics

khally92:
please whats 9x^24x^2.
 updated one year ago
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Mathematics

khally92:
A radio active substance has a half life of 20days
how much time is required so that only 1/32 of the original amount remains?
…
 updated one year ago
 11 replies
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Mathematics

khally92:
A large cylindrical soup has a volume of 3456pie cm^2. Find the radius and the height of the can that requires a minimum amount of material …
 updated one year ago
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Mathematics

khally92:
A study has determined that the interaction at a large social party follow the mathematical progression N(t)=30tt^2, where t is the time in…
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khally92:
Calculus optimization problem. The number of bus riders from the suburbs to downtown per day is represented by 1200(1.50x), where x is fare…
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khally92:
A new cottage is built across the river and 300m downstream from the nearest telephone relay station. the river is 120m wide. In order to wi…
 updated one year ago
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Mathematics

khally92:
14/(2x4)^2 is the first deric=vative of a function, determine when the function is increasing and decreasing
 updated one year ago
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Mathematics
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