In the Diamond Mine on Nabooti Island, you have to DUCK DOWN into the cart when the ceiling is low, and JUMP over the rocks that stick up. You should jump no later than the time you see the "jump" sign.
The mine cart ride is the final challenge at the Diamond Mine on Nabooti Island. The only thing you need to do is duck down when you are close to the ceiling, and jump up to avoid the boards immediately after that (repeats three times). (see related question)
All you need to do in the Diamond Mine cart is to duck down into the cart when the ceiling gets close, then jump over the wooden barriers (it says "Jump" a little late).
Once you are in the mine cart, you have to "duck down" when the cart goes up close to the ceiling, then JUMP when you come to a rock sticking up (you should jump "before" you reach the sign that says "jump"). This repeats three times. (see related question)
In the mine cart section of the Diamond Mines, duck down into the cart when the ceiling is low, then jump over the rocks that stick up. You need to jump as soon as the "Jump" sign comes into view.
In the final area of the Diamond Mine, DUCK DOWN when the mine cart gets close to the ceiling, and JUMP when there is a rock in your way (there are three of each). You should jump *before* you reach the sign that says Jump.
Ride the mine cart to the end. When it gets close to the ceiling, duck down. When it gets to each barricade, jump over. (You will do this three times and you can try as many times as needed.)
you push the cart till you see the tilt on the track then hop on
In the Diamond Mine, the final stage is a cart ride through the mine. When the track gets close to the ceiling, duck down into the cart. When you come to a board sticking out over the tracks, jump it. (You may have to jump before you see the sign that says "jump".) After three sets of ducking and jumping, you reach the end of the cart track. Use the magnifier at the bottom right of the screen to examine the diamonds, and find the one that has the triangular mark identifying the White Jewel of the Nabooti. (see related question)
On the mine carts you duck jump duck jump duck jump then stay
There are three sets : 1 duck and 1 jump each with the same spacing.
In the Diamond Mine, the final stage is a cart ride through the mine. When the track gets close to the ceiling, duck down into the cart. When you come to a board sticking out over the tracks, jump it. (You may have to jump before you see the sign that says "jump".) After three sets of ducking and jumping, you reach the end of the cart track. Use the magnifier at the bottom right of the screen to examine the diamonds, and find the one that has the triangular mark identifying the White Jewel of the Nabooti. (see related question)
In the diamond mine is the White Jewel.