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If a body is projected from the ground at the angle of 30 degrees to the horizontal with the initial velocity of 20 m/s, what maximum height and range is it going to reach?

It is possible to solve this using equations for projectile motion that can be found in the majority of formula booklets. However, since they are not always available, it is good to understand where they com...
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Answered by Tomasz H. • Physics tutor
5573 Views

what is the derivative of x?

Apply differentiation through first principles and understand the first principles to find the derivatives of common functions.
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Answered by Yashvini S. • Physics tutor
2525 Views

If an object going in a circle has a force acting on it then why is it travelling at a constant speed

Velocity is a vector quantity, which means it has a direction and a magnitude. Newtons second law says that force is equal to rate in change of velocity. When an object is travelling in a circle with constan...
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Answered by Vedant B. • Physics tutor
1854 Views

Why does the temperature of a substance during a phase change stay constant, despite heat being transferred?

During a phase change, a substance receives or gives away heat. However, the temperature stays constant, since the energy is not used to increase the kinetic energy of the constituent molecules of the substa...
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Answered by Leonard L. • Physics tutor
11110 Views

How do I make a free body diagram ?

To create a free body diagram, first you need to identify a body you are intrested in. Do you have it ? Great! Now lets draw this body isolated. I mean you don't want to include any object in its surroding i...
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Answered by Mateusz M. • Physics tutor
2134 Views