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45 | 84 | By Anonymous (not verified) 1 year 3 months ago |
The given two-parameter family is a solution of the indicated differential equation on the
interval (−∞,∞). Determine whether a member of the family can be found that satisfies the
initial conditions.
y = c1e^x cos x + c2e^x sin x; y" − 2y' + 2y = 0,
i. y(0) = 1, y'(π) = 0
ii. y(0) = 1, y(π) = −1
Geometrical Application
Find the eq. of the curve such that the x-intercept of the tangent line at any pt. (x, y) on it divided by the square of the ordinate is a constant.
A constant horizontal force of 10 lb rests on a body of smooth horizontal plane. The body starts from rest and is observed to move 250 ft in 5s.
a). What is the mass of the body?
b). If the force ceases to act at the end of 5s, how far will the body move in the next 5s?
A 400N weight starts down a 300 incline with an initial velocity of 4m/s. What is the velocity of the weight after 10 seconds if F=0.20 for the incline?
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Can anyone tell where does -2/5 came from? pleaaaaase
Please upload more examples and answers on Dynamics sirs maam Thanks in advance
a soccer ball with mass 0.420 kg is initially moving with speed 2.00 m/s. a soccer player kicks the ball, exerting a constant force of magnitude 40.0 N in the same direction as the ball's motion. over what distance must the player's foot be in contact with the ball to increase the ball's speed to 6.00 m/s?
z1= 4^(e^[(-i)(π/4)])
z2= -5i
z3= 3√3<30°
Note: < is the angle sign. I don't have symbol for.the angle sign in my keyboard.
Solve for:
[z1^(4cos z4)]/log(sub z1)z3
Please help :(
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