Consider a situation where two moving objects collide and rebound from each other.Linear momentum is definitely conserved
a. True
b. False
Indicate whether the statement is true or false
True
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A 1500 kg car accelerates from rest to 35 m/s in 6.5 s. If its engine and tires are able to provide a force to the car of 8500 N, what was the magnitude of the sum of forces due to friction and air resistance on the car during this interval?
A. 11450 N B. 1840 N C. 3510 N D. 3150 N
A(n) ________ galaxy is the result of the collision and merger of galaxies that leave little cold gas remaining in the system.
A. spiral B. barred spiral C. elliptical D. irregular
Potential: How much kinetic energy does a proton gain if it is accelerated, with no friction, through a potential difference of 1.00 V? The proton is 1836 times heavier than an electron, and e = 1.60 × 10-19 C.
A. 1836 eV B. 1.00 eV C. 1.60 × 10-19 eV D. 1.00 J E. 1836 J
A turntable has a moment of inertia of 3.00 × 10^-2 kg•m2 and spins freely on a frictionless bearing at 25.0 rev/min. A 0.600-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.100 m from the center. By what factor does the angular momentum of the system change after the putty is dropped onto the turntable?
a. 1.22 c. 0.820 b. 1.00 (no change) d. 1.20