The Schwarzchild radius is defined for a given mass M as the radius for which the escape velocity would be exactly equal to the speed of light, c. What is the expression for this radius in terms of G, M, and c?
What will be an ideal response?
2GM/
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A right isosceles triangle is cut out from a piece of sheet metal. The two equal sides are 1.0 m long each. How far is the center of gravity from the right angle (90.°) vertex of the triangle?
A) 0.71 m B) 0.55 m C) 0.47 m D) 0.24 m E) 0.35 m
Briefly explain T Tauri stars
Indicate whether the statement is true or false
The acceleration of an object as a function of time is given by a(t) = (3.00 m/s3)t, where t is in seconds. If the object has a velocity 1.00 m/s at time what is the displacement of the object between time t = 2.00 s and time t = 4.00 s?
A) 33.0 m B) 30.0 m C) 36.0 m D) 27.0 m
High-speed stroboscopic photographs show that the head of a golf club of mass 200 grams is traveling at 55.0 m/s just before it strikes a 46.0-gram golf ball at rest on a tee. After the collision, the clubhead travels (in the same direction) at 40.0 m/s. Find the speed of the golf ball just after impact