Consider a student whose mass is 70 kg. If all his mass were converted to electrical energy, for how many years could he keep a 100-W light bulb burning?
(c = 3.0 × 108 m/s)
6.3 × 1016 s = 2.0 billion years!
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For a nova to occur, the system must have already been a
A) astrometric binary. B) detached binary. C) spectroscopic binary. D) mass-transfer binary. E) eclipsing binary.
Calculate the Earth's angular momentum in the approximation that treats the Earth's orbit around the Sun as a circle. (MSun = 1.99 × 1030 kg; T = 3.156 × 107 s; ME = 5.98 × 1024 kg.)
What will be an ideal response?
A cart with an initial velocity of 5.0 m/s to the right experiences a constant acceleration of 2.0 m/s2 to the right. What is the cart's displacement during the first 6.0 s of this motion?
A) 10 m B) 55 m C) 66 m D) 80 m
The standard unit of mass in the SI is the ______________
Fill in the blank(s) with correct word