A 500 G ball and a 200 g or dropped from a tower. Those balls are the same size and there is no air resistance. Which one hits the ground first?

the 500 g

the 200g

they both hit at the same time

Light strikes a 5.0-cm thick sheet of glass at an angle of incidence in air of 50°. the sheet has parallel faces and the glass has an index of refraction 1.50. after traveling through the glass the light re-emerges into the air.

A 2-kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep the object moving at this speed and in this direction?

How does the chemical equation show that a chemical reaction has occurred?

What has 12 humps and lives at the north pole?

The average height of an apple tree is 4.00 meters. How long would it take an apple falling from that height to reach the ground? Given: g = - 9.8 meters/second2

Which, if any, of the heat engines violate (s) the second law of thermodynamics?

The ball is moving at a constant speed of 0.5 m/s for 2.3 seconds how far does it go?

Which of these is a mixture? calcium carbon dioxide salt water potassium

A train travels 80 kilometers in 2 hours, and then 79 kilometers in 4 hours. What is its average speed?

What does it mean when we say science is a cycle?