A car moving along a straight highway with speed of 126 km 1 h− to brought to stop within a distance of 200 m. how long does it take for the car to stop?

If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery