Consider a situation where two moving objects collide and rebound from each other. Linear momentum
a. is definitely conserved
b. is definitely not conserved
c. may or may not be conserved, depending on the nature of the collision
d. none of the above
A
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Two objects are connected by a very light flexible string as shown in the figure, where M = 0.60 kg and m = 0.40 kg. You can ignore friction and the mass of the pulley
(a) Draw free-body diagrams for each object. (b) Calculate the magnitude of the acceleration of each object. (c) Calculate the tension in the string. What will be an ideal response?
The specific heat
Slanting Surfaces With Friction: A 200-g hockey puck is launched at an initial speed of 16 m/s up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are µs = 0.40 and µk = 0.30, respectively. What vertical height does the puck reach above its starting point?
A. 8.6 cm B. 17 cm C. 13 cm D. 4.2 cm
What does this diagram represent?
A) the basic way in which the greenhouse effect works B) the carbon dioxide cycle C) the basic reason that our sky is blue D) the basic mechanism of the Coriolis effect