Kinetic energy is conserved in __________ collisions
Fill in the blank(s) with correct word
elastic
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A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 starts from rest at t = 0 . The wheel has a diameter of 20 cm. What is the magnitude of the total linear acceleration of a point on the outer edge of the wheel at t = 0.60 s?
a. 0.24 m/s2 b. 0.50 m/s2 c. 0.14 m/s2 d. 0.34 m/s2 e. 0.20 m/s2
If the Moon is rising at midnight, the phase of the Moon must be
A) first quarter. B) waxing crescent. C) third quarter. D) waning crescent. E) full.
The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation ?(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3
(a) Through how many radians does the wheel turn during the first 2.00 s of its motion? (b) What is the angular acceleration (in rad/s2) of the wheel at the end of the first 2.00 s of its motion? What will be an ideal response?
A meter stick balances at the 50.0-cm mark. If a mass of 50.0 g is placed at the 90.0-cm mark, the stick balances at the 61.3-cm mark. What is the mass of the meter stick?
A) 127 g B) 178 g C) 89.7 g D) 32.6 g E) 73.4 g