Question
In covering a distance of 30 km, Abhay takes 2 hours
more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:Solution
Let Abhay's speed be x km/hr.
Then,
=> (30/x) – (30/2x) = 3
=> 6x = 30
=> x = 5kmph
What is the gravitational force on an object of mass 5 kg on Earth?
Which of the following is/are correct?
1. Displacement current can exist in vacuum
2. Magnetic field can exist without electric f...
When a metal reacts with dilute hydrochloric acid, it produces:
What is the primary component of natural gas?
A gas is compressed at constant temperature. Which of the following will decrease?
The study of the inheritance of traits in humans is called
The centre of gravity of a sprinter during the race lies –
What is the chemical formula for water?