Cart A with momentum p (in magnitude) and speed 2v collides with cart B at rest. After the collision, cart A has speed v and cart B has speed 3v, as shown. What can you say about the momentum of cart B after the collision?
1
Physics & Space Science
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Latent Heats: A 2294-kg sample of water at 0° C is cooled to -36°C, and freezes in the process. How much heat is liberated? For water LF = 334,000 J/kg and LV = 2.256 × 106 J/kg. The specific heat of ice is 2050 J/kg ? K.
A. 935,000 kJ B. 597,000 kJ C. 1,110,000 kJ D. 334,000 kJ
Physics & Space Science
Newton never knew the numerical value of "his" universal gravitational constant G
Indicate whether the statement is true or false
Physics & Space Science
Earth circles the Sun in _____
A) 365.26 days B) 363.25 days C) 366.75 days D) 364.26 days
Physics & Space Science
The spherical side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is its image?
A) 2.0 cm B) 5.0 cm C) 3.0 cm D) 4.0 cm E) 0.99 cm
Physics & Space Science