A rocket is launched from the ground with an initial velocity of 25 miles per hour. When the rocket reaches its highest point, it has a velocity of zero for a split second. What is the height of the rocket in meters when it reaches its highest point?

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more than, less

less than, more

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.