For the following questions answer them individually
An object of mass 1 kg has a potential energy of 2 J relative to the ground, when it is at a height of: Take g = 10 $$m/s^2$$
Rahim started a journey 15 minutes late, and as a result, had to drive at a speed of 54 km/h instead of 45 km/h to reach his destination on time. What is the distance covered during the course of the journey?
In a square park having a side of 23 m two 3 m wide paths run through the centre of the park. What will be the total cost of gravelling the path at the rate of ₹ 1/$$dm^2?$$
Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
Statement:
• All emerald are gems.
• All gems are rocks.
Conclusions:
1. All emeralds are rocks.
2. All rocks are emerald.
