Speed of 4kmph What is the speed A boy
ran for 30minutes and then walked
for the same time
to cover
a total
distance of 2.5km. The boy runs with
speed of 4kmph . What is the speed
which the boy
walks?​

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?

A15 ohm resistor and a 25 ohm resistor are connected in parallel to a 60 volt battery. what is the power used by each device