Homework from Projectile Motion

A projectile is projected at an angle theta with horizontal with speed u . If air resistance is taken in account , the angle with vertical at the time of hitting the ground will be a)more than (90 + theta) b)less than (90 – theta) c)(90 + theta...

Homework from vectors

A man walks 10 km towards west and then 12 km (60 degree_ direction of North-East. find the resultant vectors, magnitude and direction. A man walks 10 km towards west and then 15 km towards south. Find the resultant vectors, magnitude and direction. Ju...

What is circular or rotary motion ? Explain with example.

(This question was originally posted at www.askphysics.com – our initiative to answer the curious questions emerged as a result of genuine thought of children. As the above question did not qualify the criterion to be posted and answered at A...

A problem based on Centre of Mass

Riyou  posted: – “A table is made of a square tabletop of mass M = 10.0 kg and four straight legs each of height h = 80.0 cm and mass m = 3.00 kg attached to the corners of the tabletop. Find the position of the center of mass of the table...

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