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Mechanics | Relativity
By Donald Marolf's Notes what is relativity and the gravitational field?explaind in detail please this is our assignment
Mechanics | Relativity
A cricketer throws a 147g ball by exerting a force of 7.5N for 0.84s. If the launch angle is 39° from horizontal, calculate the range of the ball.
Mechanics | Relativity
A girl is rotating a hoop with diameter d = 90 cm round waist. The waist size of the girl is l = 75 cm. How many rotations per minute shall do the hoop so that not to fall down? The friction coefficient equals 0.5, the gravity acceleration g =10 m/s2.
Mechanics | Relativity
What will be the acceleration of a 50 kg sledge if the tension in the rope pulling it is 200 N and frictional force is 40 N?
Mechanics | Relativity
How to find out space and coordinates in boosts by Donald Marolf notes? explain in details
Mechanics | Relativity
What is the analogy between boosts and rotation by Donald Marolf notes? please explain in details.
Mechanics | Relativity
What is boost parameters by Donald Marolf notes? explain in details
Mechanics | Relativity
What are properties of interval by Donald Marolf notes ?
Mechanics | Relativity
The rubber spherical balloon with mass 4 g is being filled with Helium (molar mass 4 g/mole) at the temperature
10°С under water at the depth 20 m. The density of rubber equals 1.4 g/cm3
, the water density - 1 g/cm3
. The rubber
brakes when its thickness decreases down to 10-3 cm. Find please the mass of gas in the balloon when it will finally
brake. Atmospheric pressure
5
0 p = 10 Pa. g = 10 m/s2
, The gas constant R =8,31 J/(mole∙K). Please, express result
in grams and write it down rounded up to 3 significant digits.
10°С under water at the depth 20 m. The density of rubber equals 1.4 g/cm3
, the water density - 1 g/cm3
. The rubber
brakes when its thickness decreases down to 10-3 cm. Find please the mass of gas in the balloon when it will finally
brake. Atmospheric pressure
5
0 p = 10 Pa. g = 10 m/s2
, The gas constant R =8,31 J/(mole∙K). Please, express result
in grams and write it down rounded up to 3 significant digits.
Mechanics | Relativity
EXPLAIN. WHY L² & ONLY ONE OF COMPONENTS OF. L ARE REGARDED AS CONSTANT OF MOTION.
( (ASKED IN UNIVERSITY EXAM FOR 20 MARKS))
( (ASKED IN UNIVERSITY EXAM FOR 20 MARKS))
