Answer:
the car accelerates in

Explanation:
here's the solution : -
we know,
=》

=》

=》

=》

so, acceleration = 1500 m/s^2
now,
=》

here, a = acceleration, v = final velocity,
u = initial velocity, t = time taken.
So,
=》

=》

=》

=》

The electron was discovered by researchers working with cathode ray tubes.
I believe the answer is up and down :)
It's a plain, not a lever