Questions and answers by

waqas

Questions (19)

integrate the following(3y-7x-3)dx+(7y-3x-7)dy=0
1. 1 answer
2. 1,434 views
integrate it by integrating factor(cos^3x)dy/dx +ycosx=sinx
1. 1 answer
2. 1,880 views
solve it by integating factordy/dx + (x+1/x)y=e^-2x
1. 0 answers
2. 389 views
3.The lifespan of 300 Giant turtles is found to follow a Normal distribution ~ N(70,144).(a)What is the standard error for this
1. 1 answer
2. 884 views
A study shows that the probability of a baby being born with gene x is 0.6. The probability of a baby being born with gene y is
1. 0 answers
2. 675 views
The turnover (in millions of pounds) for 8 train companies and 8 coach companies are given below.Train 4.3 13.2 134 88 92 66.5
1. 0 answers
2. 1,167 views
A pendulum of length L = 48.5 cm and mass m = 169 g is released from restwhen the cord makes an angle of 65.4� with the
1. 0 answers
2. 544 views
A pendulum of length L = 20.8cm and mass m = 168 g is released from restwhen the cord makes an angle of 65.2� with the vertical.
1. 1 answer
2. 512 views
The loaded car of a roller coaster has mass M = 320 kg. It goes over the higa speed v of 21.4 m/s. The radius of curvature R of
1. 1 answer
2. 1,184 views
Block M = 7.50 kg is initially moving up the incline and is increasing speed witha = 3.82 m/s2 . The applied force F is
1. 1 answer
2. 4,374 views
To test your friend's claims about his car, you accept his o er of a ride about campus. Not wanting to exceed the speed limit,
1. 1 answer
2. 2,314 views
A 34.2 -kg block rests on theoor. (a) What force (N) does the oor exert on the block? (b) If a rope is tied to the block and run
1. 2 answers
2. 577 views
A block starts from rest at the top of a 2.00-m long, 16.3 -degree frictionlessincline. (a) What is the acceleration (m/s2 ) of
1. 1 answer
2. 1,264 views
Lance arrives early at the airport (withowers and balloons in hand) to welcome a friend. Her plane is delayed. While waiting, he
1. 2 answers
2. 1,313 views
A ball on the end of a string is moving in circular motion as a conical pendulum as in the figure. The length L of the string is
1. 0 answers
2. 968 views
A particular Ferris wheel (a rigid wheel rotating in a vertical plane about a horizontal axis) at a local carnival has a radius
1. 1 answer
2. 4,573 views
A place kicker must kick the football from a point 34.2 m from the goal andclear a bar 3.00 m above the ground. The ball leaves
1. 1 answer
2. 1,483 views
During a snowball ght, your opponent distracts you by throwing a snowball at you with a high arc. She throws snowballs with a
1. 2 answers
2. 992 views
A glass is slid across a table top, goes of the edge and falls to the floor below. The table is 0.860 m high and the glass lands
1. 0 answers
2. 1,185 views