Thermodynamics — Physics STD 11 Science — Question

How many newton make one kg wt.?

What is the weight felt by a person in a lift when it has free fall?

A hole is made in a container at a depth below the free surface of the liquid whose radius is r. Write the formula for the ejection velocity of the liquid jet coming out of this hole.

At which point on its path a projectile has the smallest speed?

Why cannot an ideal gas be converted or liquid state?

What is the effect of non-sphericity of the earth on the value of 'g'?

A particle executing simple harmonic motion comes to rest at the extreme positions. Is the resultant force on the particle zero at these positions according to Newton's first law?

Fill in the blanks:
A vehicle moving with a speed of 18km h^-1 covers ....m in 1 s

As a spacecraft moves from earth to moon, how does its weight vary?

When a ball hits a wall with a velocity of 50m/s and bounces back with the same speed, what is the change in velocity of the ball?