An elephant and an ant are to be projected far away into space. Do we need different velocities for their projection?

Why do we have different units for the same physical quantity?

A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is projected in the region with a velocity along the direction of fields, then electron will turn towards right of the direction of motion speed will decrease. speed will increase. will turn towards left of the direction of motion.

A block slides down an inclined plane of slope angle 0 with constant velocity .It is then projected up the same plane with an initial velocity v_0 .How far up the incline will it move?

Why do we need to take food?

The motion of the projection on a diameter of the circle of a point moving with uniform angular velocity on the circumference of the circle is :

A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is projected along the direction of the fields with a certain velocity then